Mines and quarries in Montgomery County, NY
14 mines not abandoned in Montgomery County, NY, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| BT-83 HD TROMMEL SCREEN #9012 HEIDELBERG MATERIALS NORTHEAST LLC | 3003877 | Stone | Jan 8, 2024 |
| CUSHING STONE COMPANY INC | 3000027 | Stone | Jan 17, 1996 |
| EAGLE 1000 COMPACT CRUSHER #965 HEIDELBERG MATERIALS NORTHEAST LLC | 3003514 | Sand and gravel | Jul 16, 2026 |
| EAGLE 1400 Heidelberg Materials Northeast LLC | 3003699 | Nonmetal | Jul 16, 2026 |
| MCCLOSKEY TROMMEL SCREEN #947 Heidelberg Materials Northeast LLC | 3003513 | Sand and gravel | May 8, 2025 |
| PATTERSONVILLE PLANT #61 CALLANAN INDUSTRIES INC | 3000025 | Stone | Jan 15, 1997 |
| QE-440 #941 Heidelberg Materials Northeast LLC | 3003850 | Sand and gravel | Mar 10, 2025 |
| RANDALL PIT SANTOS CONSTRUCTION CORP. | 3002408 | Sand and gravel | Aug 1, 1983 |
| SANDVIK QA441#983 Heidelberg Materials Northeast LLC | 3003828 | Sand and gravel | Jun 27, 2021 |
| SANDVIK QE441 Scalping Screen #966 Heidelberg Materials Northeast LLC | 3003512 | Sand and gravel | Aug 20, 2026 |
| Sandvik QE442 Scalping Screen #9007 Heidelberg Materials Northeast LLC | 3003826 | Stone | Sep 25, 2023 |
| ST JOHNSVILLE PLANT HEIDELBERG MATERIALS NORTHEAST LLC | 3001283 | Stone | May 26, 2022 |
| ST.JOHNSVILLE PIT #2 RIFENBURG CONSTRUCTION, INC. | 3002946 | Sand and gravel | Mar 22, 1990 |
| Terex Portable Jaw Crusher #950 Heidelberg Materials Northeast LLC | 3003859 | Stone | Oct 9, 2023 |
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.