Mines and quarries in Delaware County, NY
31 mines not abandoned in Delaware County, NY, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| AAG Sand & Gravel | 3004194 | Sand and gravel | Aug 17, 2026 |
| BANKER PIT ARNOLD BANKER | 3003063 | Sand and gravel | May 8, 2025 |
| BRANDOW PIT TOWN OF HARPERSFIELD | 3002924 | Sand and gravel | Aug 11, 2025 |
| Chan Quarry Tompkins Bluestone Co. Inc. | 3004196 | Stone | Aug 18, 2026 |
| CHIEFTAIN SERIAL # 6490 CLARK COMPANIES | 3003437 | Sand and gravel | Apr 12, 2022 |
| COLE RD QUARRY DOUBLE AXE STONE COMPANY LLC | 3000003 | Stone | Oct 16, 2025 |
| COMMANDER 510 II SERIAL #5703655 Clark Companies | 3003662 | Sand and gravel | Apr 12, 2022 |
| COMMANDER 510 SERIAL #5703403 CLARK COMPANIES | 3003564 | Sand and gravel | Apr 12, 2022 |
| COMMANDER II SERIAL #5103718 Clark Companies | 3003030 | Sand and gravel | Apr 24, 2024 |
| Deposit Gravel Pit Aden Mining & Materials | 3004167 | Sand and gravel | Oct 7, 2025 |
| DEPOSIT QUARRY SCHAEFER ENTERPRISES OF DEPOSIT | 3003185 | Stone | Jul 10, 2026 |
| EKLUND GRAVEL BANK #2 EKLUND FARM MACHINERY INC | 3004146 | Sand and gravel | Apr 16, 2025 |
| EXTEC 5000 DELAWARE BULLDOZING CORP. | 3003125 | Sand and gravel | Jun 8, 1994 |
| FREEDOM 1776 - HAMDEN QUARRY DELAWARE SAND & GRAVEL | 3004158 | Stone | Aug 5, 2026 |
| GILLETTE QUARRY SEWARD SAND & GRAVEL INC | 3003929 | Sand and gravel | May 9, 2025 |
| HANCOCK QUARRY COBLESKILL STONE PRODUCTS INC | 3001252 | Stone | Feb 21, 2012 |
| KLONDIKE ROAD QUARRY SONNY & SONS STONE COMPANY LLC | 3004151 | Stone | May 20, 2025 |
| LEE MOAT QUARRY SONNY AND SONS STONE COMPANY LLC | 3003838 | Stone | Apr 9, 2022 |
| LONG EDDY QUARRY LONG EDDY QUARRY LLC | 3004184 | Stone | May 12, 2026 |
| LORDVILLE QUARRY TOMPKINS BLUESTONE CO. INC. | 3004195 | Stone | Sep 22, 2026 |
| MASONVILLE QUARRY TED KILMER STONE LLC | 3003224 | Stone | Jun 4, 2026 |
| MCCLOSKEY 710932 OTSEGO CUSTOM CRUSHING | 3004160 | Stone | Jun 2, 2026 |
| Moldenhauer Quarry | 3004148 | Stone | Jul 10, 2026 |
| POWER SCREEN CHIEFTAIN 1400 LA FEVER SAND & GRAVEL, LLC | 3002615 | Sand and gravel | Dec 27, 1982 |
| RIDER PIT SEWARD SAND & GRAVEL INC. | 3002930 | Sand and gravel | Oct 5, 2006 |
| Robinson Bros. | 3004188 | Stone | Jun 4, 2026 |
| ROODS CREEK QUARRY SCHAEFER ENTERPRISES OF DEPOSIT INC | 3003461 | Stone | Sep 11, 2024 |
| ROUTE 8 QUARRY SCHAEFER ENTERPRISES OF DEPOSIT, INC. | 3004004 | Stone | Jul 3, 2018 |
| Scalper 77C Town Of Hancock | 3002926 | Sand and gravel | Aug 12, 2025 |
| SILVER LAKE QUARRY SANFORD STONE LLC | 3004059 | Stone | May 9, 2025 |
| TOWN PIT COUNTY RTE 10 TOWN OF DAVENPORT HIGHWAY DEPARTMENT | 3002927 | Sand and gravel | Apr 2, 2025 |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.