Mines in King County, Washington

King County, Washington has 517 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 34 of these are currently active mining operations. The most commonly recorded commodity is sand and gravel, construction, with 165 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in King County

Mine	Commodity	Type	Status	Source
Arcosa Specialty Materials Seattle #1890	Crushed, Broken Limestone NEC	Facility	Active	MSHA
Auburn Facility	Construction Sand and Gravel	Surface	Active	MSHA
Enumclaw Pit & Plant	Construction Sand and Gravel	Surface	Active	MSHA
Franklin Ridge Sand & Gravel	Construction Sand and Gravel	Surface	Active	MSHA
Issaquah Pit & Plant	Construction Sand and Gravel	Surface	Active	MSHA
Jensen Portable Screens	Construction Sand and Gravel	Surface	Active	MSHA
Morgan Kame Terrace	Construction Sand and Gravel	Surface	Active	MSHA
North Bend	Crushed, Broken Stone NEC	Surface	Active	MSHA
Palmer Junction Gravel Pit-Kanaskat Pit	Construction Sand and Gravel	Surface	Active	MSHA
Plant D	Construction Sand and Gravel	Surface	Active	MSHA
Seattle Plant	Cement	Facility	Active	MSHA
Snoqualmie S&g Dba Calportland Company	Construction Sand and Gravel	Surface	Active	MSHA
Thunder Mountain Quarry	Crushed, Broken Traprock	Surface	Active	MSHA
Vashon Sand and Gravel Dba Calportland	Construction Sand and Gravel	Surface	Active	MSHA
White River Quarry	Crushed, Broken Stone NEC	Surface	Active	MSHA
Dutch Miller	Copper		Producer	MRDS
Ellisport Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Flintstone Pit & Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Gold Hill Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Harris Clay Mine	Fire Clay (Refractory)	Surface	Producer	MRDS
Issaquah Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Jensen Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Kanaskat Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Main Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Maury Island Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Maury Island Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
McDaniels Hot Springs	Geothermal	Geothermal	Producer	MRDS
Ravensdale Pit		Surface	Producer	MRDS
Robert Jackson Quartz Mine	Quartz, Semiprecious Gemstone	Surface	Producer	MRDS
Spruce Mine	Semiprecious Gemstone		Producer	MRDS
Stoen North Bend Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Unnamed Hot Springs	Geothermal	Geothermal	Producer	MRDS
Unnamed Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
White River	Gold	Surface	Producer	MRDS
3 Lakes Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
55 Sand Deposit	Silica	Surface	Past Producer	MRDS
700 Road Vista Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Aaron	Gold		Unknown	MRDS
Aces Up		Underground	Past Producer	MRDS
Akishin Claim	Silver	Surface-Underground	Prospect	MRDS
Alan	Gold	Underground	Past Producer	MRDS
Alberg Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Alp Zone	Copper	Surface	Occurrence	MRDS
American Concrete	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Anderson	Iron		Occurrence	MRDS
Anderson	Iron, Lead, Zinc, Silver, Gold, Copper		Occurrence	MRDS
Annex	Copper		Unknown	MRDS
Annie	Copper		Unknown	MRDS
Apex	Zinc, Gold, Silver, Copper, Lead		Past Producer	MRDS
Apex	Gold, Silver, Copper, Lead		Occurrence	MRDS
Apex Mine		Underground	Past Producer	MRDS
Auburn Pit & Plant	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bald Hornet	Iron		Unknown	MRDS
Baring	Chromium		Unknown	MRDS
Baring Deposits	Limestone, General	Surface	Occurrence	MRDS
Baring Iron Deposit	Iron	Surface-Underground	Past Producer	MRDS
Baring Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Bear Basin	Gold, Copper, Zinc, Lead, Silver		Occurrence	MRDS
Bear Basin Property	Silver	Surface-Underground	Past Producer	MRDS
Beatrice	Gold		Unknown	MRDS
Beaverdale Property	Gold	Underground	Past Producer	MRDS
Beckler River Pit	Stone	Surface	Past Producer	MRDS
Belle of Tennessee	Gold		Unknown	MRDS
Bergeson	Gold	Underground	Prospect	MRDS
Big Snow Mtn. Area	Copper	Surface	Prospect	MRDS
Black Bear	Gold		Unknown	MRDS
Black Diamond	Arsenic	Underground	Prospect	MRDS
Black Diamond Coal Dump	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Black Dike Prospect	Copper, Iron		Occurrence	MRDS
Black Dike Prospect	Iron	Underground	Prospect	MRDS
Black River Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
Black River Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Black River Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Black River Quarry Inc.	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Blum Hi-Alumina Clay Deposit	Aluminum	Surface	Prospect	MRDS
Blum Pit	Clay	Surface	Past Producer	MRDS
Bobtail	Copper		Unknown	MRDS
Borrow Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Borrow Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bow Lake Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bremmeyer Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Brister Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Brooklyn	Copper		Unknown	MRDS
Brown Bear	Copper	Underground	Past Producer	MRDS
Burlington Northern Inc.	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Burn Creek	Nickel	Surface-Underground	Prospect	MRDS
Byrd Prospect	Mercury		Occurrence	MRDS
Cadman (Redmond)	Construction Sand and Gravel	Surface	Abandoned	MSHA
Cadman Black Diamond	Construction Sand and Gravel	Surface	Abandoned	MSHA
Cadman Sand Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Calcite Placer Claim	Limestone, General	Surface	Past Producer	MRDS
Camp Brown Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Canton Creek Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Carbonate Placer Claim	Limestone, General	Surface	Occurrence	MRDS
Cardinal Reward Mine	Mercury	Underground	Occurrence	MRDS
Carmack	Gold, Silver, Lead, Copper		Occurrence	MRDS
Carmack	Gold, Silver, Lead, Copper		Occurrence	MRDS
Carmack	Gold	Underground	Past Producer	MRDS
Cavanaugh	Silica	Surface	Past Producer	MRDS
Cedar Mountain Property	Stone, Crushed/Broken	Surface	Prospect	MRDS
Cedar Mountain Property	Stone, Crushed/Broken	Surface	Prospect	MRDS
Chair Peak	Iron		Unknown	MRDS
Chair Peak Area	Gold	Surface	Occurrence	MRDS
Chair Peak Occurrence	Limestone, General	Surface	Occurrence	MRDS
Charles	Gold		Unknown	MRDS
Charley Nos. 1-4	Copper	Surface	Prospect	MRDS
Chicago	Copper		Past Producer	MRDS
Chief	Iron		Unknown	MRDS
Chisholm Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
City Dump Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
City of Seattle Road 10 Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
City of Seattle Road 50 Main Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Clara	Gold		Unknown	MRDS
Cleopatra Group	Antimony, Silver, Copper		Occurrence	MRDS
Cleopatra Group	Copper, Zinc, Antimony, Gold, Silver, Lead		Occurrence	MRDS
Cleopatra Mine		Underground	Past Producer	MRDS
Cleveland	Copper		Unknown	MRDS
Cliff	Iron		Past Producer	MRDS
Climax	Iron		Unknown	MRDS
Climax	Copper	Underground	Past Producer	MRDS
Clipper	Copper, Molybdenum		Occurrence	MRDS
Coal Creek Pit and Plant	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Coluccio Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Commonwealth	Silver		Unknown	MRDS
Condor-Hemlock	Molybdenum, Copper		Occurrence	MRDS
Coney Basin	Lead, Silver		Past Producer	MRDS
Coney Basin	Gold, Silver, Copper, Zinc, Lead		Occurrence	MRDS
Coney Basin Mine	Gold	Underground	Past Producer	MRDS
Cooper	Gold		Unknown	MRDS
Copper Chief	Copper		Unknown	MRDS
Copper Duke	Gold		Unknown	MRDS
Copper King Adit and Trenches	Copper	Surface-Underground	Prospect	MRDS
Copper Lake	Copper	Surface-Underground	Prospect	MRDS
Copper Lake A	Silver	Surface-Underground	Prospect	MRDS
Covington Pit - Iddings Farm Svce	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Crawford Creek Zone	Copper	Surface	Prospect	MRDS
Crestview	Copper	Surface	Occurrence	MRDS
Crystal	Silver	Surface	Prospect	MRDS
Damon Mill	Silver	Processing Plant	Past Producer	MRDS
Damon and Pythias	Gold, Silver, Lead		Occurrence	MRDS
Damon and Pythias	Gold, Silver, Lead, Copper, Zinc		Occurrence	MRDS
Damon and Pythias	Gold	Underground	Past Producer	MRDS
David Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Dawson	Antimony	Surface	Prospect	MRDS
Dawson	Lead	Underground	Prospect	MRDS
Dawson Prospect	Silver, Lead, Gold		Occurrence	MRDS
De La Mar	Gold		Unknown	MRDS
Della Jane	Gold		Unknown	MRDS
Denny Mountain Deposit	Limestone, General	Surface	Occurrence	MRDS
Devils Canyon	Copper, Silver, Tungsten, Molybdenum		Occurrence	MRDS
Devils Canyon Extension Prospect	Copper	Surface	Occurrence	MRDS
Devils Canyon Prospect		Surface-Underground	Prospect	MRDS
Diamond Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Dobroff	Iron	Surface	Occurrence	MRDS
Dudley	Gold		Unknown	MRDS
Durham Hi-Alumina Clay Deposit	Aluminum	Surface	Prospect	MRDS
Dutch Miller	Copper, Gold, Silver		Occurrence	MRDS
Dutch Miller Mine	Copper	Underground	Past Producer	MRDS
E-Z Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Elk Heights Pit	Construction Sand and Gravel	Surface	Intermittent	MSHA
Elk Pit	Clay	Surface	Past Producer	MRDS
Elk Pit	Fire Clay	Surface	Abandoned	MSHA
Elliott Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Emma	Copper		Unknown	MRDS
Enumclaw Alunite Prospect	Aluminum	Surface	Prospect	MRDS
Enumclaw Alunite Prospect	Aluminum	Surface	Prospect	MRDS
Enumclaw Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Eureka	Copper		Unknown	MRDS
Extra	Gold		Unknown	MRDS
Factoria Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Fall City Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Fathers Day	Copper	Underground	Prospect	MRDS
Favorite Gulch	Gold		Unknown	MRDS
Florence	Gold		Unknown	MRDS
Foss River	Copper		Unknown	MRDS
Foster Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Franklin Arsenic	Arsenic	Underground	Prospect	MRDS
Franklin Silica Sand	Silica	Surface	Prospect	MRDS
Gh Rock Products	Crushed, Broken Traprock	Surface	Abandoned	MSHA
Gh Rock Products Talus Slope Mine	Construction Sand and Gravel	Surface	Abandoned	MSHA
Gain Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Galena Group	Silver	Underground	Prospect	MRDS
Garfield Mountain Claims	Silver	Surface	Occurrence	MRDS
George W. Tinkle	Copper		Unknown	MRDS
Glacier Hill	Silver	Surface	Prospect	MRDS
Goat Creek Shear Zone	Gold	Surface	Prospect	MRDS
Goat Mountain	Silver, Molybdenum, Lead, Copper, Zinc, Gold		Occurrence	MRDS
Goat Mountain	Lead	Surface	Prospect	MRDS
Gold Mountain	Silver	Underground	Prospect	MRDS
Gold Mountain Prospect	Antimony, Gold, Silver, Copper		Occurrence	MRDS
Golden Tunnel	Copper		Unknown	MRDS
Grand Central	Antimony, Gold		Occurrence	MRDS
Grand Central	Gold, Antimony		Occurrence	MRDS
Grand Central	Antimony	Underground	Past Producer	MRDS
Granite Products Llc	Dimension Stone NEC	Surface	Abandoned	MSHA
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Great Republic	Antimony, Gold, Silver		Occurrence	MRDS
Great Republic	Antimony		Past Producer	MRDS
Great Republic Mine	Antimony	Underground	Past Producer	MRDS
Green Mountain			Unknown	MRDS
Green Ridge Lake Area	Zinc, Molybdenum, Lead, Silver, Copper		Occurrence	MRDS
Green River	Arsenic	Underground	Prospect	MRDS
Green River Hi-Alumina Clays	Aluminum	Surface	Prospect	MRDS
Guye	Iron		Occurrence	MRDS
Guye	Iron, Lead, Zinc, Silver, Gold		Occurrence	MRDS
Guye Peak Deposit	Limestone, General	Surface	Occurrence	MRDS
Guye Property	Iron	Surface-Underground	Prospect	MRDS
Hayes Sand & Gravel Llc	Construction Sand and Gravel	Surface	Abandoned	MSHA
Harris Pit	Clay	Surface	Past Producer	MRDS
Hawk Zone	Copper	Surface	Prospect	MRDS
High Tariff	Silver	Surface	Prospect	MRDS
Highlander	Gold		Unknown	MRDS
Hjort Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Hos Brothers Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Imperial No. 2	Gold	Underground	Prospect	MRDS
Iron Home No. 1	Silver	Underground	Prospect	MRDS
Iron Home No. 2	Silver	Underground	Prospect	MRDS
Issaquah Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Issaquah Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
J. Taylor Wright	Gold		Unknown	MRDS
J.k. Gunter Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Jack	Gold	Underground	Prospect	MRDS
Jackpot No. 12	Copper	Surface	Prospect	MRDS
Jay	Gold		Unknown	MRDS
Joamco	Copper		Unknown	MRDS
John Henry No 1 Mine	Coal (Bituminous)	Surface	Abandoned	MSHA
Jumbo No. 1	Silver	Surface	Prospect	MRDS
Kanaskat Hi-Alumina Clay Deposit	Aluminum	Surface	Prospect	MRDS
Kangley Hi-Alumina Clay Deposit	Aluminum	Surface	Prospect	MRDS
Kangley Pit	Construction Sand and Gravel	Surface	Intermittent	MSHA
Katie Belle Gulch	Copper	Surface-Underground	Prospect	MRDS
Kent Highlands Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Kent Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Kimball	Gold	Underground	Prospect	MRDS
King and Kinney	Copper	Underground	Prospect	MRDS
Klondike	Gold		Unknown	MRDS
Kummer Deposit	Aluminum	Surface	Prospect	MRDS
Lake Frances Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
Lake Francis Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Langer	Zinc	Underground	Prospect	MRDS
Last Chance	Gold		Unknown	MRDS
Last Chance	Gold		Unknown	MRDS
Last Chance	Gold	Underground	Prospect	MRDS
Le Roi	Gold		Unknown	MRDS
Legal Tender	Gold		Unknown	MRDS
Lennox	Gold		Past Producer	MRDS
Lennox Property	Gold	Underground	Past Producer	MRDS
Leta	Gold		Unknown	MRDS
Lillian Leone	Gold		Unknown	MRDS
Little Myrtle Lake Area	Copper		Occurrence	MRDS
Lone Star	Gold		Unknown	MRDS
Lost Lode	Molybdenum	Underground	Past Producer	MRDS
Lower Cleopatra Prospect	Silver	Underground	Prospect	MRDS
Lucky Day	Silver	Underground	Prospect	MRDS
Lucky Strike	Gold	Underground	Prospect	MRDS
Lynn Prospect	Copper	Underground	Prospect	MRDS
Main Plant	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Mainline 100 Pit	Stone, Dimension	Surface	Past Producer	MRDS
Maloney No. 1 Deposit	Limestone, General	Surface	Occurrence	MRDS
Maloney No. 2 Deposit	Limestone, General	Surface	Occurrence	MRDS
Maloney No. 3 Deposit	Limestone, General	Surface	Occurrence	MRDS
Maloney No. 4 Deposit	Limestone, General	Surface	Occurrence	MRDS
Maloney No. 5 Deposit	Limestone, General	Surface	Occurrence	MRDS
Maloney No. 6 Deposit	Limestone, General	Surface	Past Producer	MRDS
Maloney No. 7 Deposit	Limestone, General	Surface	Occurrence	MRDS
Manufacturers Mineral Co. Renton Plant	Construction Sand and Gravel	Surface	Temporarily Idled	MSHA
Marble Beauty Claim	Limestone, General	Surface	Occurrence	MRDS
Marble Cliff Claim	Limestone, General	Surface	Occurrence	MRDS
Marble Gulch Claim	Limestone, General	Surface	Occurrence	MRDS
Marble Mount Claim	Limestone, General	Surface	Occurrence	MRDS
Marble No. 1 Quarry	Limestone, General	Surface	Past Producer	MRDS
Marble No. 2 Quarry	Limestone, General	Surface	Past Producer	MRDS
Marble Quarry Claim	Limestone, General	Surface	Occurrence	MRDS
Maury Island Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Maury Island Sand & Grav Dba Calportland	Construction Sand and Gravel	Surface	Abandoned	MSHA
McKay-Section 12 Surface Coal Mine	Coal (Bituminous)	Surface	Abandoned and Sealed	MSHA
Meade Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Metropolitan	Gold		Unknown	MRDS
Middle Fork Property	Copper	Underground	Past Producer	MRDS
Miles Sand & Gravel	Construction Sand and Gravel	Surface	Abandoned	MSHA
Miller Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Miller River Antimony	Antimony	Underground	Prospect	MRDS
Milton Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
Mitchell	Gold		Unknown	MRDS
Mohawk	Lead		Unknown	MRDS
Mohawk	Antimony		Unknown	MRDS
Monarch	Gold		Unknown	MRDS
Money Creek Deposits	Limestone, General	Surface	Occurrence	MRDS
Money Creek Placer	Gold	Surface	Prospect	MRDS
Money Creek Road Mine	Silver	Surface	Occurrence	MRDS
Mono Mine	Copper	Underground	Prospect	MRDS
Monte Carlo Property	Gold	Underground	Past Producer	MRDS
Mount Phelps	Zinc	Underground	Prospect	MRDS
Mount Si	Copper		Occurrence	MRDS
Mountain View Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Mt Si Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Napco Prospect	Gold	Surface	Prospect	MRDS
Napoleon	Gold		Unknown	MRDS
Neptune	Gold		Unknown	MRDS
North Bend Pit - Div. 5	Sand and Gravel, Construction	Surface	Past Producer	MRDS
North Fork	Copper		Prospect	MRDS
North Fork Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Norwood	Gold		Unknown	MRDS
Nursery Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Oliver	Gold		Unknown	MRDS
Online	Gold		Unknown	MRDS
Ophir	Gold		Unknown	MRDS
Oriole	Gold		Unknown	MRDS
Orphan Boy No. 1	Silver	Surface	Prospect	MRDS
Owen	Gold		Unknown	MRDS
Pacific-Rivera-Green Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Palmer Pit	Clay	Surface	Past Producer	MRDS
Paradise	Gold		Unknown	MRDS
Pedro Zone	Copper		Occurrence	MRDS
Pennsylvania	Gold		Unknown	MRDS
Penny Prospect	Silver	Underground	Prospect	MRDS
Phillippi Lake	Lead		Unknown	MRDS
Pine Marten Prospect	Molybdenum, Copper		Occurrence	MRDS
Pine Marten Prospect	Copper	Underground	Prospect	MRDS
Pohl Pit - Div. 10	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Portable 1	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Porter Zone	Copper	Underground	Prospect	MRDS
Portland	Copper		Unknown	MRDS
Pratt Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Preston Expanding Shale	Clay	Surface	Occurrence	MRDS
Proffitt Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Prufer	Gallium	Surface	Occurrence	MRDS
Ps A 224 Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Puget Sound Surfacers Inc G6	Construction Sand and Gravel	Surface	Abandoned	MSHA
Quarry Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Quartz Creek	Molybdenum, Copper, Gold, Silver		Past Producer	MRDS
Quartz Creek	Copper, Gold, Silver, Molybdenum		Occurrence	MRDS
Quartz Crystal Deposit	Quartz	Surface	Occurrence	MRDS
R & R Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Reserve Silica Corporation	Construction Sand and Gravel	Surface	Abandoned	MSHA
Raging River Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Raging River Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Ragner Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Rainbow	Copper	Underground	Past Producer	MRDS
Rainy Mine	Copper	Underground	Prospect	MRDS
Ravensdale Coal Dump	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Ravensdale Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Ray	Gold		Unknown	MRDS
Red Face Zone	Copper	Surface	Prospect	MRDS
Reith Road Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Renton Junction A	Silica	Surface	Past Producer	MRDS
Renton Mine	Silica	Surface	Past Producer	MRDS
Renton Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Richmond Beach Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Riverton Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Riverton Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Road 150 Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Robinson	Gold	Underground	Prospect	MRDS
Royal Reward Mine	Mercury	Underground	Past Producer	MRDS
Rushing	Gold	Underground	Prospect	MRDS
Ryland	Zinc	Underground	Prospect	MRDS
Ryterra Llc	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Sagmo and Stuber	Copper	Underground	Prospect	MRDS
Salmon Creek	Antimony		Unknown	MRDS
San Francisco	Gold		Unknown	MRDS
San Jose	Gold		Past Producer	MRDS
Sara	Gold		Unknown	MRDS
Sara Williams	Gold		Unknown	MRDS
Sartori Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Scalzo Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Schlock Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Scott Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Se 440th St. Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Seattle	Gold		Unknown	MRDS
Seattle Plant	Cement	Facility	Abandoned	MSHA
Seattle-Cascade	Silver, Lead, Zinc, Copper		Occurrence	MRDS
Seattle-Cascade	Lead, Zinc, Copper, Gold, Silver		Occurrence	MRDS
Seattle-Cascade	Silver	Underground	Past Producer	MRDS
Section 31 Mine	Common Clays NEC	Surface	Abandoned	MSHA
Section 31 Pit	Clay	Surface	Past Producer	MRDS
Silver Star	Silver		Unknown	MRDS
Skookum	Gold		Unknown	MRDS
Skykomish	Tin	Surface	Occurrence	MRDS
Smart Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Snoqualmie	Copper		Occurrence	MRDS
Snoqualmie	Copper		Occurrence	MRDS
Solomon	Gold		Unknown	MRDS
Soos Covington Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Stemwinder	Gold	Underground	Past Producer	MRDS
Summit-Denny and Guye	Iron		Occurrence	MRDS
Sunset Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Sw Trout Lake	Gold	Underground	Prospect	MRDS
Swan Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Sweet Point Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Tanner Falls	Construction Sand and Gravel	Surface	Abandoned	MSHA
Taylor	Clay	Surface	Past Producer	MRDS
Teddy R.	Gold		Unknown	MRDS
Terry Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Three Brothers Zone	Molybdenum, Copper		Occurrence	MRDS
Three S Gulch	Zinc		Unknown	MRDS
Tjomsland Pit-Div 10	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Tobins Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Tolt River Placer	Gold	Surface	Prospect	MRDS
Tombstone Claim	Limestone, General	Surface	Occurrence	MRDS
Treasury Lead	Lead	Underground	Prospect	MRDS
Una	Copper, Silver, Gold		Occurrence	MRDS
Una	Gold, Copper, Silver		Occurrence	MRDS
Una	Copper	Underground	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 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 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	Stone, Crushed/Broken	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 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 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	Gold	Underground	Prospect	MRDS
Unnamed Prospect	Silver	Underground	Prospect	MRDS
Unnamed Prospect	Copper	Surface	Prospect	MRDS
Unnamed Quarries	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Unnamed Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS