Mines in Penobscot County, Maine
132Total
22Active
Penobscot County, Maine has 132 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 22 of these are currently active mining operations. The most commonly recorded commodity is construction sand and gravel, with 51 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Penobscot County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Frink Pit | Construction Sand and Gravel | Surface | Active | MSHA |
| Odlin Road Mill & Quarry | Crushed, Broken Traprock | Surface | Active | MSHA |
| Passadumkeag Pit | Construction Sand and Gravel | Surface | Active | MSHA |
| Pioneer 3055 #810005 | Crushed, Broken Stone NEC | Surface | Active | MSHA |
| Portable Crushing Plant | Construction Sand and Gravel | Surface | Active | MSHA |
| Queen City Quarry | Construction Sand and Gravel | Surface | Active | MSHA |
| Bangor Mine | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Faloon Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Frink Pit and Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Gardiner Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hampden Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hampden Pits | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hampden Town Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hunter Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Lincoln Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Midway Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Old Town Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Orono Plant | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Orrington Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Shop Plant | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Stillwater Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Whitney Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Rental Screen | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| #80195 Portable Screen Cv100 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Alfred N Davis Inc | Sand and Gravel, Construction | Past Producer | MRDS | |
| Allen L Rooks | Sand and Gravel, Construction | Past Producer | MRDS | |
| Alton Pmd | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Alton Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Argonaut Mine | Silver, Lead, Copper | Underground | Past Producer | MRDS |
| Astec 300 P192051 | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Astec 350 P212209 | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Astec Ft2650 Jaw | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Astec Screen 214941 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| B & C Sand and Gravel, Inc. | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Bangor Portable Plant | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| C.m. Ellms & Sons | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Carmel Antimony Prospect | Antimony | Underground | Prospect | MRDS |
| Cemetary Hill Prospect | Manganese | Prospect | MRDS | |
| Chieftain Screen | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Chip Mill Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Cianbro Corp | Sand and Gravel, Construction | Past Producer | MRDS | |
| Cianbro Corp. Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Cianbro Corporation | Sand and Gravel, Construction | Past Producer | MRDS | |
| Commander Screen Plant | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Consolidated Hampden Mine | Silver, Lead | Past Producer | MRDS | |
| Corrina Mine | Lead | Underground | Past Producer | MRDS |
| Davis Prospect | Silver | Underground | Prospect | MRDS |
| Dearborn Prospect | Lead | Underground | Prospect | MRDS |
| Dexter Prospect | Silver | Prospect | MRDS | |
| Dixmont | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Dunn Pit & Plant | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Etna Quarry | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Exeter Occurrence | Lead | Occurrence | MRDS | |
| Exeter Prospect | Lead | Underground | Prospect | MRDS |
| Frink Pit and Mill | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| French Mine | Gold | Occurrence | MRDS | |
| G & D Properties | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| G E Goding and Son Inc | Sand and Gravel, Construction | Past Producer | MRDS | |
| Garland Mine | Copper, Silver, Lead | Past Producer | MRDS | |
| Garland Prospect | Underground | Unknown | MRDS | |
| Glenburn Sand and Gravel | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Gravel Pit-Thornton | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Greenbush Wash Plant | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Hermon Sand & Gravel Llc | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Hall Hill Prospect | Manganese | Prospect | MRDS | |
| Hampden Mines | Underground | Unknown | MRDS | |
| Hanson and Son Earth Works Llc | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Harriman Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Harrington Mine | Gold | Underground | Occurrence | MRDS |
| Hermon Hill Quarry | Granite | Surface | Past Producer | MRDS |
| Hillside Mining Co. Mine | Silver | Prospect | MRDS | |
| Hughes Brothers Inc | Sand and Gravel, Construction | Past Producer | MRDS | |
| Jaw Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Jones Hill Mine | Copper, Lead, Zinc | Underground | Past Producer | MRDS |
| Keene Pit | Surface | Intermittent | MSHA | |
| King Bros. Trucking | Sand and Gravel, Construction | Past Producer | MRDS | |
| King Brothers Trucking Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Lane Construction Co | Sand and Gravel, Construction | Past Producer | MRDS | |
| Lawrence Prospect | Underground | Unknown | MRDS | |
| Lee's Readi Mix | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Levant Prospect | Antimony | Underground | Prospect | MRDS |
| Levesque Gravel | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Lincoln Center Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Lincoln Pit & Mill | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Lincoln Pit No. 2 | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Maine Silver Prospect | Silver | Underground | Prospect | MRDS |
| Mary Jane Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| McKusick Prospect | Gold | Underground | Prospect | MRDS |
| Medway Pit and Mill | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Mount Chase | Zinc, Copper, Lead | Occurrence | MRDS | |
| Mt Pleasant Mine | Silver | Past Producer | MRDS | |
| Newburgh Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| North Medway Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Norumbega Mine | Lead | Underground | Prospect | MRDS |
| Old Slate Quarry | Slate, Dimension | Unknown | MRDS | |
| Old Town Prospect | Gold | Underground | Prospect | MRDS |
| Orono Plant | Crushed, Broken Traprock | Facility | Abandoned | MSHA |
| Owen J Folsom Inc | Sand and Gravel, Construction | Past Producer | MRDS | |
| Ptbl Wash Plant # 800003 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Palmer Mine | Lead | Surface | Prospect | MRDS |
| Perry Mine | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Pine Hill Quarry | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Pit 5 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Plymouth Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Portable Plant | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Portable Primary Pioneer 30x42 | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Portable Rental Plant | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Portable Rental Screen | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Preble Hill Mine | Lead | Past Producer | MRDS | |
| Queen City Prospect | Lead | Underground | Prospect | MRDS |
| Rental Screen/various | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Rental/portable Crusher | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Russell's Gravel | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Shorey Prospect | Silver | Underground | Prospect | MRDS |
| Silver Drift Mine | Lead | Underground | Past Producer | MRDS |
| Silver Hill Mine | Copper | Past Producer | MRDS | |
| Silver Hill Prospect | Silver | Underground | Prospect | MRDS |
| Smith Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Sprague Quarry | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Stillwater Pit & Mill | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Sunrise Materials Medway Plant | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Sunset Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Tc Gravel Springy Pond Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Various Rental Screen | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Vinegar Hill | Gold, Copper | Occurrence | MRDS | |
| Vinegar Hill Prospect | Underground | Unknown | MRDS | |
| Warren Bros. Co | Sand and Gravel, Construction | Past Producer | MRDS | |
| Warren Brothers Company Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Webber Gravel | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Weymouth Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Williams | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Portable Plant | Construction Sand and Gravel | Surface | Intermittent | MSHA |