Mines in Harney County, Oregon
527Total
101Active
Harney County, Oregon has 527 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 101 of these are currently active mining operations. The most commonly recorded commodity is gold, with 89 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Harney County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| 00 Ranch Road | Pumice | Surface | Producer | MRDS |
| Altnow Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Beck Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Beede Desert | Diatomite | Surface | Producer | MRDS |
| Buchanan Site | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Burns Site | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Butler Hill Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Celatom Mine | Diatomite | Surface | Producer | MRDS |
| Choate Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Church Quarry | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Church Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Cinder Pit | Pumice | Surface | Producer | MRDS |
| Crane Rock | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Culp Site | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Edmunson Site | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Five Mile Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Five Mile Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Frenchglen | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Frenchglen | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Geothermal Well | Geothermal | Well | Producer | MRDS |
| Harney Rim | Semiprecious Gemstone | Surface | Producer | MRDS |
| Hebener Pit | Stone | Surface | Producer | MRDS |
| Hines Lumber Co. | Geothermal | Well | Producer | MRDS |
| Hines Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Hotchkiss Quarry #2 | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Hotchkiss Well | Geothermal | Well | Producer | MRDS |
| Island Ranch Well | Geothermal | Well | Producer | MRDS |
| Kings Hole Mine | Stone | Surface | Producer | MRDS |
| Lawen Site | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Mp 122.5 Central Oregon Hwy. | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Mp 125.7 Central Oregon Hwy. | Pumice | Surface | Producer | MRDS |
| Mp 147.9 Centarl Oregon Hwy. | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Mp 164.98 Central Oregon Hwy. | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Mp 24.6 Steens Hwy. | Pumice | Surface | Producer | MRDS |
| Mp 26.9 Steens Highway | Pumice | Surface | Producer | MRDS |
| Mp 51 Steens Hwy. | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Mp 57.7 Steens Hwy. | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Mp 86.9 | Stone, Crushed/Broken | Surface | Producer | MRDS |
| O. J. Thomas Well | Geothermal | Well | Producer | MRDS |
| Pike Creek Thunder Eggs | Semiprecious Gemstone | Surface | Producer | MRDS |
| Pit #1 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Pit #5 | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Pit #6 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Ponderosa Mine | Gemstone | Surface | Producer | MRDS |
| Riley Lake | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Roe Davis | Pumice | Surface | Producer | MRDS |
| Sage Hen Hill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Sagenhen Hill | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Seneca Rock Products | Stone | Surface | Producer | MRDS |
| Sitz Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Solomon Canyon Community Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| South Riley Site | Stone, Crushed/Broken | Surface | Producer | MRDS |
| South Shore Harney Lake | Geothermal | Geothermal | Producer | MRDS |
| State Section 36 Pit | Diatomite | Surface | Producer | MRDS |
| Stinkingwater Pass/buchanan Site | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Sunset and Surprise Deposit | Manganese | Producer | MRDS | |
| Sweetwater Ranch | Stone | Surface | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Springs | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Springs | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Springs | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Hot Springs | Geothermal | Geothermal | Producer | MRDS |
| Unnamed Mine | Zeolites | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Pumice | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Volcanic Materials | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Volcanic Materials | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Pumice | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Pumice | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Pit | Volcanic Materials | Surface | Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Unnamed Prospect | Gemstone | Surface | Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Wagontire | Stone, Crushed/Broken | Surface | Producer | MRDS |
| West Riley Site | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Willow Creek #1 Community Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Wrights Point | Stone, Crushed/Broken | Surface | Producer | MRDS |
| 00 Ranch Road | Stone, Crushed/Broken | Past Producer | MRDS | |
| Ace Group | Copper | Surface | Prospect | MRDS |
| Adobe Flat | Gold | Past Producer | MRDS | |
| Adobe Flat | Gold | Surface | Prospect | MRDS |
| Ajax | Mercury | Surface | Prospect | MRDS |
| Alex-Ladd | Uranium | Occurrence | MRDS | |
| Alex-Ladd | Uranium | Occurrence | MRDS | |
| Alex-Ladd | Silver | Surface | Occurrence | MRDS |
| Alexander | Mercury | Past Producer | MRDS | |
| Alexander Mine | Mercury | Underground | Past Producer | MRDS |
| Alvord Cave | Uranium | Occurrence | MRDS | |
| Alvord Cave | Uranium | Surface | Occurrence | MRDS |
| Alvord Cave Claim | Uranium | Occurrence | MRDS | |
| Alvord Desert Borates | Boron-Borates | Occurrence | MRDS | |
| Alvord Desert Borates | Boron-Borates | Surface | Occurrence | MRDS |
| Alvord Spring | Geothermal | Geothermal | Prospect | MRDS |
| Alvord Valley | Boron-Borates | Past Producer | MRDS | |
| An-A-5r Well | Geothermal | Well | Occurrence | MRDS |
| Apache | Mercury, Copper | Occurrence | MRDS | |
| Apache Prospect | Mercury | Surface | Prospect | MRDS |
| Arizona | Gold, Copper, Manganese | Occurrence | MRDS | |
| Arizona Copper Prospect | Gold | Surface | Prospect | MRDS |
| Arizona Group | Gold | Surface | Prospect | MRDS |
| Arrowhead | Gemstones | Surface | Abandoned | MSHA |
| Auzrite Mine | Gold | Past Producer | MRDS | |
| Auzrite Mine | Silver | Underground | Past Producer | MRDS |
| B & H Claims | Copper | Occurrence | MRDS | |
| B & H Claims | Gold | Surface | Prospect | MRDS |
| Baker Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Basalt Quarry | Stone | Past Producer | MRDS | |
| Basalt Quarry | Stone | Past Producer | MRDS | |
| Basque Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Beck Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Beede Desert | Diatomite | Past Producer | MRDS | |
| Big Bad John-Willies Group | Copper | Surface | Occurrence | MRDS |
| Big Indian Mine | Gold | Placer | Occurrence | MRDS |
| Black Beauty | Gold | Surface | Occurrence | MRDS |
| Black Dog Group | Gold | Surface | Occurrence | MRDS |
| Black Hope Claim Group | Perlite | Occurrence | MRDS | |
| Black Hope Claim Group | Perlite | Surface | Occurrence | MRDS |
| Blair Group | Mercury, Barium-Barite, Copper | Occurrence | MRDS | |
| Blair Group | Mercury | Underground | Prospect | MRDS |
| Blue Bird Group | Gold | Placer | Occurrence | MRDS |
| Blue Boy | Mercury | Underground | Prospect | MRDS |
| Blue Bull | Mercury, Copper, Arsenic | Occurrence | MRDS | |
| Blue Bull Tunnel #1-2-3 | Copper | Underground | Prospect | MRDS |
| Blue Jay Claim | Gold | Surface | Occurrence | MRDS |
| Bonanza Claims | Gold | Surface-Underground | Prospect | MRDS |
| Brine Wells | Magnesite | Well | Occurrence | MRDS |
| Buchanan Site | Sand and Gravel, Construction | Past Producer | MRDS | |
| Buck Mountain-North | Gold | Past Producer | MRDS | |
| Buck Mountain-North | Gold | Surface | Prospect | MRDS |
| Buckhorn Mine | Gold | Placer | Occurrence | MRDS |
| Building Stone Quarry | Stone | Past Producer | MRDS | |
| Building Stone Quarry | Stone | Past Producer | MRDS | |
| Building Stone Quarry | Stone | Past Producer | MRDS | |
| Bullion Quartz Claim | Silver, Lead, Gold, Zinc | Occurrence | MRDS | |
| Bullion Quartz Claim | Gold | Underground | Prospect | MRDS |
| Burns Site | Stone | Past Producer | MRDS | |
| Butler Hill Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Cash Group | Copper | Occurrence | MRDS | |
| Cash-Willow Creek Groups | Gold | Surface | Prospect | MRDS |
| Cawrse Well | Geothermal | Well | Occurrence | MRDS |
| Celatom Mine | Diatomite | Past Producer | MRDS | |
| Choate | Stone | Past Producer | MRDS | |
| Chukar Group | Gold | Surface-Underground | Prospect | MRDS |
| Chukar Group | Mercury | Underground | Prospect | MRDS |
| Church Quarry | Stone | Past Producer | MRDS | |
| Church Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Cinder Cone Claims 1-6 | Perlite | Surface | Prospect | MRDS |
| Cinder Pit | Stone, Crushed/Broken | Past Producer | MRDS | |
| Cinders Pit | Stone, Crushed/Broken | Past Producer | MRDS | |
| Cinders Pit | Stone, Crushed/Broken | Past Producer | MRDS | |
| Climax | Gold | Surface | Prospect | MRDS |
| Colony Creek | Gold | Surface | Prospect | MRDS |
| Coyote Rob | Gold | Surface | Prospect | MRDS |
| Coyote Roy | Gold | Surface | Prospect | MRDS |
| Crane Buchanan Mine | Stone | Past Producer | MRDS | |
| Crane Buchanan Mine | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Crane Hot Springs | Geothermal | Geothermal | Occurrence | MRDS |
| Crane Rock | Stone | Past Producer | MRDS | |
| Crimson Rose | Mercury | Underground | Prospect | MRDS |
| Crusher #5 | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Culp Site | Stone | Past Producer | MRDS | |
| Daisy Claims | Gold | Underground | Occurrence | MRDS |
| Denio Basin Group | Gold | Surface-Underground | Prospect | MRDS |
| Denio Mountain Iron Prospect | Iron | Occurrence | MRDS | |
| Denio Mountain Iron Prospect | Iron | Surface | Occurrence | MRDS |
| Diamond Craters Prospect | Gold | Occurrence | MRDS | |
| Diamond Craters Prospect | Gold | Unknown | MRDS | |
| Dog Mtn. Oil Test | Geothermal | Well | Occurrence | MRDS |
| Dogami Grad. Drill Hole | Geothermal | Well | Occurrence | MRDS |
| Dogami Grad. Drill Hole | Geothermal | Well | Occurrence | MRDS |
| Dogami Grad. Well | Geothermal | Well | Occurrence | MRDS |
| Dorose | Mercury | Surface | Prospect | MRDS |
| Double Link | Mercury, Copper | Occurrence | MRDS | |
| Double Link Prospect | Mercury | Underground | Prospect | MRDS |
| Double-O Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Dry Well Community Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Duncan | Mercury, Gold | Occurrence | MRDS | |
| Duncan Prospect | Mercury | Underground | Prospect | MRDS |
| Dunn Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Edmunson Site | Sand and Gravel, Construction | Past Producer | MRDS | |
| Eileen | Mercury | Occurrence | MRDS | |
| Eileen | Mercury | Unknown | MRDS | |
| El Dorado | Mercury | Surface-Underground | Past Producer | MRDS |
| Eldorado Group | Mercury, Copper | Occurrence | MRDS | |
| Ethel May | Gold | Surface | Occurrence | MRDS |
| F & G Claims | Gold | Surface | Occurrence | MRDS |
| Farnham | Mercury, Gold | Past Producer | MRDS | |
| Farnham | Underground | Past Producer | MRDS | |
| Farnham Property | Copper | Occurrence | MRDS | |
| Farnham Property | Gold | Surface | Prospect | MRDS |
| Fields | Mercury | Surface | Prospect | MRDS |
| Fisher | Mercury | Past Producer | MRDS | |
| Fisher | Mercury | Surface-Underground | Past Producer | MRDS |
| Five Mile | Stone | Past Producer | MRDS | |
| Five Mile Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Flagstaff Butte | Gold, Silver | Past Producer | MRDS | |
| Flagstaff Butte | Gold | Surface | Prospect | MRDS |
| Flagstaff Butte Hot Spring | Geothermal | Geothermal | Past Producer | MRDS |
| Freeman Dorsey | Gold | Surface | Prospect | MRDS |
| Frenchglen | Stone | Past Producer | MRDS | |
| Frenchglen | Stone | Past Producer | MRDS | |
| Frenchglen Warm Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Globe | Mercury | Surface-Underground | Prospect | MRDS |
| Gloria Mercury Prospect | Mercury | Occurrence | MRDS | |
| Gloria Mercury Prospect | Mercury | Surface | Prospect | MRDS |
| Glow 1 and 2 | Gold | Surface | Prospect | MRDS |
| Gold Crown Claim | Gold | Placer | Occurrence | MRDS |
| Gold Prospect | Gold | Occurrence | MRDS | |
| Gold Queen Claim | Gold | Placer | Occurrence | MRDS |
| Golden No. 1 Claim | Gold | Surface | Occurrence | MRDS |
| Goodman Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Grace | Gold | Surface-Underground | Prospect | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gray Eagle | Gold | Surface | Occurrence | MRDS |
| Harmony | Mercury, Copper | Occurrence | MRDS | |
| Harmony Group | Mercury | Surface | Prospect | MRDS |
| Harney Lake Feldspar | Feldspar, Zeolites, Potassium | Occurrence | MRDS | |
| Harney Lake Feldspar | Feldspar | Surface | Occurrence | MRDS |
| Harney Lake Zeolites | Zeolites | Occurrence | MRDS | |
| Harney Lake Zeolites | Zeolites | Surface | Occurrence | MRDS |
| Harney Valley Development Co. Test | Geothermal | Well | Occurrence | MRDS |
| Head Light Mine | Gold | Placer | Occurrence | MRDS |
| Hebener Pit | Stone | Past Producer | MRDS | |
| Hines Higway Cut Stone Occurrence | Stone | Past Producer | MRDS | |
| Hines Higway Cut Stone Occurrence | Stone, Dimension | Surface | Occurrence | MRDS |
| Hines Quarry | Stone | Past Producer | MRDS | |
| Hoghouse Hot Springs | Geothermal | Geothermal | Occurrence | MRDS |
| Homestretch | Gold | Placer | Occurrence | MRDS |
| Horse Head Mountain Prospect | Mercury | Occurrence | MRDS | |
| Horse Head Mountain Prospect | Mercury | Surface | Prospect | MRDS |
| Horseshoe Mining Claims | Mercury | Occurrence | MRDS | |
| Horseshoe Mining Claims | Mercury | Surface | Occurrence | MRDS |
| Hot Lake | Geothermal | Geothermal | Past Producer | MRDS |
| Hot Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Hotchkiss Quarry #2 | Stone | Past Producer | MRDS | |
| Howell Oil Test | Geothermal | Well | Occurrence | MRDS |
| Hughet Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Idol City Mine | Lead, Copper | Occurrence | MRDS | |
| Idol City Mines | Zinc | Underground | Past Producer | MRDS |
| Idol City Placers | Gold, Uranium, Mercury | Past Producer | MRDS | |
| Idol City Placers | Gold | Placer | Past Producer | MRDS |
| Irene's Group | Gold | Surface | Prospect | MRDS |
| Jack Doist Prospect | Zinc | Underground | Prospect | MRDS |
| Jack Pot | Mercury | Occurrence | MRDS | |
| Jack Pot Claim | Gold | Placer | Occurrence | MRDS |
| Jack Pot Claims | Mercury | Underground | Prospect | MRDS |
| Johnson Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Juniper Mercury Mine | Mercury | Occurrence | MRDS | |
| Juniper Mercury Mine | Mercury | Underground | Prospect | MRDS |
| Juniper Ridge Perlite | Perlite | Occurrence | MRDS | |
| Juniper Ridge Perlite | Perlite | Surface | Unknown | MRDS |
| Keystone | Gold | Surface | Occurrence | MRDS |
| King Coal | Gold | Surface | Prospect | MRDS |
| King Copper | Copper | Surface | Prospect | MRDS |
| Kings Hole Mine | Stone | Past Producer | MRDS | |
| Lady Washington Claim | Gold | Placer | Occurrence | MRDS |
| Langrell Uranium Prospect | Uranium | Prospect | MRDS | |
| Last Chance | Mercury | Occurrence | MRDS | |
| Last Chance Claims | Mercury | Surface | Prospect | MRDS |
| Lawen Site | Sand and Gravel, Construction | Past Producer | MRDS | |
| Lobo #3 | Uranium, Mercury | Occurrence | MRDS | |
| Lone Claim | Gold | Surface | Prospect | MRDS |
| Lone Star | Gold | Underground | Prospect | MRDS |
| Lower Sizemore Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Luck Canyon | Mercury | Surface | Occurrence | MRDS |
| Lucky Boy | Mercury | Occurrence | MRDS | |
| Lucky Boy | Mercury | Unknown | MRDS | |
| Lucky Dane Claims | Gold | Surface | Occurrence | MRDS |
| Lucky Star | Mercury, Copper, Barium-Barite | Occurrence | MRDS | |
| Lucky Star Group | Mercury | Surface-Underground | Prospect | MRDS |
| Lucky Strike | Mercury | Occurrence | MRDS | |
| Lucky Strike | Mercury | Surface | Prospect | MRDS |
| Lynch Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Mammoth No. 1 | Gold | Surface | Occurrence | MRDS |
| Max Sielaff Deposit | Copper | Occurrence | MRDS | |
| Max Sielaff Deposit | Copper | Occurrence | MRDS | |
| Mc Lean's Copper | Mercury | Occurrence | MRDS | |
| Mc Lean's Copper | Mercury | Unknown | MRDS | |
| McLean Well | Geothermal | Well | Occurrence | MRDS |
| McLean Well | Geothermal | Well | Occurrence | MRDS |
| Mickey Springs | Geothermal | Geothermal | Prospect | MRDS |
| Mile High | Mercury | Occurrence | MRDS | |
| Mile High | Mercury | Unknown | MRDS | |
| Millpond Springs | Geothermal | Geothermal | Occurrence | MRDS |
| Missouri Group | Gold | Placer | Occurrence | MRDS |
| Mogul | Mercury | Past Producer | MRDS | |
| Mogul Mine | Mercury | Underground | Past Producer | MRDS |
| Mohawk Claim | Gold | Surface | Prospect | MRDS |
| Monolith | Gold | Surface | Prospect | MRDS |
| Mp 57.7 Steens Hwy | Stone | Past Producer | MRDS | |
| Mp 86.9 | Stone | Past Producer | MRDS | |
| Mp122.5 Central Oregon Hwy | Stone | Past Producer | MRDS | |
| Mp125.7 Central Oregon Hwy | Stone, Crushed/Broken | Past Producer | MRDS | |
| Mp147.9 Central Oregon Hwy | Sand and Gravel, Construction | Past Producer | MRDS | |
| Mp164.98 Central Oregon Hwy | Stone | Past Producer | MRDS | |
| Mp24.6 Steens Hwy | Stone, Crushed/Broken | Past Producer | MRDS | |
| Mp26.9 Steens Hwy | Stone, Crushed/Broken | Past Producer | MRDS | |
| Mp51 Steens Hwy | Stone | Past Producer | MRDS | |
| Nellie B | Mercury | Occurrence | MRDS | |
| Nellie B. Group | Mercury | Underground | Prospect | MRDS |
| No. 6 | Uranium | Occurrence | MRDS | |
| O'Conner | Gold | Underground | Past Producer | MRDS |
| O'Keefe | Mercury, Copper | Occurrence | MRDS | |
| O'Keefe Claims | Mercury | Surface | Prospect | MRDS |
| Old Faithful No. 1 | Mercury | Occurrence | MRDS | |
| Old Faithful No. 1 | Mercury | Underground | Prospect | MRDS |
| Old Hopeful and New | Mercury | Occurrence | MRDS | |
| Old Hopeful and New | Mercury | Unknown | MRDS | |
| Ole Olsen Lode | Gold | Surface | Occurrence | MRDS |
| Otis Basin Diatomite | Diatomite | Occurrence | MRDS | |
| Otis Basin Diatomite | Diatomite | Surface | Prospect | MRDS |
| Paiute | Semiprecious Gemstone | Surface | Past Producer | MRDS |
| Pana No. 8 | Gemstones | Surface | Abandoned | MSHA |
| Pardee Mine | Silver, Lead, Copper, Gold | Occurrence | MRDS | |
| Pardee Mine | Gold | Underground | Past Producer | MRDS |
| Pearl Mine | Gold | Surface | Prospect | MRDS |
| Pedro Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Piaute | Gemstone | Past Producer | MRDS | |
| Pike | Mercury | Occurrence | MRDS | |
| Pike Claims | Mercury | Surface | Prospect | MRDS |
| Pike Creek | Uranium | Occurrence | MRDS | |
| Pike Creek | Uranium | Surface-Underground | Prospect | MRDS |
| Pike Creek Carnotite Claim | Uranium, Mercury | Occurrence | MRDS | |
| Pike Creek Carnotite Group | Uranium | Past Producer | MRDS | |
| Pit #1 | Stone | Past Producer | MRDS | |
| Pit #5 | Stone | Past Producer | MRDS | |
| Pit #6 | Sand and Gravel, Construction | Past Producer | MRDS | |
| Ponderosa Mine | Gemstones | Surface | Intermittent | MSHA |
| Ponderosa Sunstones | Gemstone | Past Producer | MRDS | |
| Portable Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Pot Hole | Mercury | Occurrence | MRDS | |
| Pothole Claims | Mercury | Surface | Prospect | MRDS |
| Pueblo Claim | Gold | Surface | Prospect | MRDS |
| Pueblo Group | Gold | Past Producer | MRDS | |
| Pueblo Mines | Barium-Barite | Occurrence | MRDS | |
| Pueblo Mines | Gold | Underground | Past Producer | MRDS |
| Pueblo Mining Co. Claims | Mercury | Occurrence | MRDS | |
| Pueblo Mining Co. Claims | Mercury | Unknown | MRDS | |
| Pueblo Mountain Limestone | Limestone, General | Surface | Occurrence | MRDS |
| Pueblo Mtn Limestone | Stone | Past Producer | MRDS | |
| Pueblo Valley Geothermal Project | Geothermal | Geothermal | Prospect | MRDS |
| Pumice Pit | Pumice | Past Producer | MRDS | |
| Quail | Gold | Surface | Prospect | MRDS |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Quarry | Stone | Past Producer | MRDS | |
| Rabbit Hole | Mercury | Past Producer | MRDS | |
| Rabbit Hole | Mercury | Underground | Past Producer | MRDS |
| Raven | Gold | Surface | Occurrence | MRDS |
| Red Bull Claims | Copper | Prospect | MRDS | |
| Red Butte | Antimony | Past Producer | MRDS | |
| Red Butte Prospect | Antimony | Underground | Prospect | MRDS |
| Red Dome | Mercury | Surface | Prospect | MRDS |
| Red Hill | Copper, Mercury | Occurrence | MRDS | |
| Red Hill | Mercury | Occurrence | MRDS | |
| Red Hill | Mercury | Surface | Prospect | MRDS |
| Red Hill Manganese | Manganese | Occurrence | MRDS | |
| Red Hill Manganese | Manganese | Surface | Prospect | MRDS |
| Red King | Mercury, Copper | Occurrence | MRDS | |
| Red King Prospect | Mercury | Underground | Prospect | MRDS |
| Red Oxide Group | Gold | Surface | Occurrence | MRDS |
| Red Rock No. 1 | Mercury | Occurrence | MRDS | |
| Red Rock No. 1 | Mercury | Surface | Prospect | MRDS |
| Red Rock No. 6 | Mercury | Surface | Prospect | MRDS |
| Rhoads | Mercury, Barium-Barite | Occurrence | MRDS | |
| Rhoads Prospect | Uranium | Occurrence | MRDS | |
| Rhoads Prospect | Uranium | Surface-Underground | Prospect | MRDS |
| Riely Lake | Stone | Past Producer | MRDS | |
| Roadland Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Robert Smith | Gold | Surface | Occurrence | MRDS |
| Roe Davis | Stone, Crushed/Broken | Past Producer | MRDS | |
| Sage Hen Hill | Sand and Gravel, Construction | Past Producer | MRDS | |
| Sagehen Hill | Stone | Past Producer | MRDS | |
| Seneca Rock Products | Stone | Past Producer | MRDS | |
| Shamrock | Gold | Surface | Occurrence | MRDS |
| Sheeperder | Mercury | Surface | Prospect | MRDS |
| Shoshonee | Gemstone | Past Producer | MRDS | |
| Shoshonee | Semiprecious Gemstone | Surface | Past Producer | MRDS |
| Silver Blossom Prospect | Manganese | Occurrence | MRDS | |
| Silver Blossom Prospect | Manganese | Underground | Past Producer | MRDS |
| Skull Creek Community Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Snowbird Claim | Gold | Placer | Occurrence | MRDS |
| Sodhouse Spring | Geothermal | Geothermal | Occurrence | MRDS |
| South O'Keefe | Mercury | Occurrence | MRDS | |
| South O'Keefe | Mercury | Surface | Prospect | MRDS |
| South Riley Site | Stone | Past Producer | MRDS | |
| Spring | Mercury | Surface | Prospect | MRDS |
| Spring Creek | Mercury | Occurrence | MRDS | |
| Spring Creek | Mercury | Surface | Prospect | MRDS |
| Squaw Butte Obsidian | Gemstone | Occurrence | MRDS | |
| Squaw Butte Obsidian | Stone, Dimension | Surface | Occurrence | MRDS |
| Star | Gold | Surface | Occurrence | MRDS |
| Star of the West | Gold | Surface | Occurrence | MRDS |
| State Section 36 | Diatomite | Past Producer | MRDS | |
| Steen Mountain Zeolites | Zeolites | Occurrence | MRDS | |
| Steen Mtn. | Mercury | Past Producer | MRDS | |
| Steens Mountain Mine | Mercury | Underground | Past Producer | MRDS |
| Steens Mountains Zeolites | Zeolites | Surface | Occurrence | MRDS |
| Stewart | Mercury | Occurrence | MRDS | |
| Stewart Prospect | Mercury | Underground | Prospect | MRDS |
| Stinkingwater Pass/buchanan Site | Sand and Gravel, Construction | Past Producer | MRDS | |
| Stumblebum | Gold | Surface | Occurrence | MRDS |
| Sun Summit | Gemstones | Surface | Intermittent | MSHA |
| Sunshine #3 | Mercury | Underground | Prospect | MRDS |
| Sunstone Butte Mine | Gemstones | Surface | Intermittent | MSHA |
| Surprise | Mercury | Surface | Prospect | MRDS |
| Sweetwater Ranch | Stone | Past Producer | MRDS | |
| Timber Beast | Uranium, Molybdenum | Occurrence | MRDS | |
| Timber Beast | Uranium | Underground | Prospect | MRDS |
| Timberbeast | Uranium | Occurrence | MRDS | |
| Trout Creek Diatomite | Diatomite | Occurrence | MRDS | |
| Trout Creek Diatomite | Diatomite | Surface | Prospect | MRDS |
| Trout Creek West Diatomite | Diatomite | Surface | Prospect | MRDS |
| Two Friends Claim | Gold | Surface-Underground | Prospect | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Copper, Uranium, Mercury | Occurrence | MRDS | |
| Unknown | Uranium, Mercury | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Mercury | Underground | Prospect | MRDS |
| Unnamed Diatomite Occurrence | Diatomite | Surface | Occurrence | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Unnamed Hot Spring | Geothermal | Geothermal | Prospect | MRDS |
| Unnamed Hot Springs | Geothermal | Geothermal | Occurrence | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Prospect | Platinum, Silver, Chromium, Cobalt, Nickel | Occurrence | MRDS | |
| Unnamed Prospect | Mercury | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Copper | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Underground | Prospect | MRDS |
| Unnamed Prospect | Mercury | Underground | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Occurrence | MRDS |
| Unnamed Prospect | Copper | Surface-Underground | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Prospect | Gold | Surface | Occurrence | MRDS |
| Unnamed Prospect | Gold | Surface | Prospect | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Prospect | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Unnamed Spring | Geothermal | Geothermal | Occurrence | MRDS |
| Upper Pike Creek | Uranium | Occurrence | MRDS |