| Sawmill Beryl Quarry | 0.6 mi | Beryllium | Surface | Past Producer |
| Long Hill Gneiss Quarries | 1.0 mi | Granite | Surface | Past Producer |
| Arnold Quarry | 1.8 mi | Stone, Dimension | Surface | Past Producer |
| Jail Hill Feldspar Quarry | 1.8 mi | Feldspar | Surface | Past Producer |
| Arnold Pegmatite Quarry | 1.9 mi | Feldspar | — | Producer |
| Pegmatite Quarries | 2.4 mi | Feldspar | Surface | Past Producer |
| Feldspar Quarries | 2.5 mi | Feldspar | Surface | Past Producer |
| Connecticut Valley Sand and Stone | 3.2 mi | Sand and Gravel, Construction | Surface | Producer |
| Gillette Quarry | 3.2 mi | | Surface-Underground | Past Producer |
| Gillette Gem Tourmaline, Mineral Specimens, Mica, Feldspar Mine (also | 3.2 mi | Gemstone, Mica, Feldspar | — | Past Producer |
| Gneiss Quarries | 3.3 mi | Granite | Surface | Past Producer |
| Bainerd Quarry | 3.4 mi | Feldspar | Surface | Past Producer |
| Feldspar Quarry | 3.6 mi | Feldspar | Surface | Past Producer |
| Pegmatite Quarries | 3.7 mi | Feldspar | Surface | Past Producer |
| Feldspar Pegmatite Quarry No. Cj-062 | 3.7 mi | Feldspar | — | Producer |
| Granitic Gneiss Rock Quarry No. Cj-061 | 3.9 mi | Stone | — | Past Producer |
| Quarry | 3.9 mi | Stone, Dimension | Surface | Past Producer |
| Granitic Gneiss Rock Quarry No. Cj-060 | 4.0 mi | Stone | — | Past Producer |
| Mt. Tom Beryl Prospect | 4.1 mi | Beryllium | — | Occurrence |
| Mt. Tom Beryl Prospect | 4.1 mi | Beryllium | — | Prospect |
| Pegmatite Quarry | 4.2 mi | Feldspar | Surface | Past Producer |
| Rock Landing Feldspar Quarries | 4.3 mi | Feldspar | — | Past Producer |
| Feldspar Pegmatite Dike Quarry No. Cj-047 | 4.3 mi | Feldspar | — | Past Producer |
| Quarry | 4.4 mi | Stone, Dimension | Surface | Past Producer |
| Rock Landing Quarry | 4.4 mi | Feldspar | Surface | Past Producer |
| Granitic Gneiss Rock Quarry No. Cj-058 | 4.5 mi | Stone | — | Past Producer |
| Quarry | 4.6 mi | Stone, Dimension | Surface | Past Producer |
| Anderson Mica Mines and Swanson Lithia Mine | 4.7 mi | Mica, Lithium | — | Past Producer |
| Anderson No. 1 Mica Mine | 4.8 mi | Mica | Surface-Underground | Past Producer |
| Haddam Pit Hood & Smith Pit | 4.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Hood and Smith Sand & Gravel Pit | 4.8 mi | Sand and Gravel, Construction | — | Past Producer |
| Bailey Mica Prospects | 4.8 mi | Mica | Surface | Prospect |
| Granitic Gneiss Rock Quarry No. Cj-055 | 4.8 mi | Stone | — | Past Producer |
| Enegren (Power) Mica Mine | 4.8 mi | Mica | — | Producer |
| Quarry | 4.9 mi | Stone, Dimension | Surface | Past Producer |
| Halberg Quarries | 4.9 mi | Mica | Surface | Past Producer |
| Feldspar Pegmatite Prospects No. Cj-054 | 5.0 mi | | — | Occurrence |
| Enegren Mica Mine | 5.1 mi | Mica | Surface-Underground | Prospect |
| Hurd Park Quarry | 5.4 mi | Feldspar | Surface | Past Producer |
| Gneiss Quarry | 5.4 mi | Granite | Surface | Past Producer |
| Gneiss Quarry | 5.4 mi | Granite | Surface | Past Producer |
| Granitic Gneiss Rock Quarry No. Cj-052 | 5.5 mi | Stone | — | Past Producer |
| Granitic Gneiss Rock Quarry No. Cj-046 | 5.5 mi | Stone | — | Past Producer |
| Upper Triassic Copper Prospects No. Cj-053 | 5.5 mi | Copper | — | Occurrence |
| Quarry | 5.6 mi | Stone, Dimension | Surface | Past Producer |
| Selden Property | 5.7 mi | Feldspar | Surface | Past Producer |
| East Selden Mica, Beryl, Feldspar Quarry | 5.7 mi | Mica, Feldspar, Tantalum, Niobium (Columbium) | — | Past Producer |
| Roberts Mica Prospect | 5.9 mi | Feldspar, Mica | — | Past Producer |
| Roberts Mica Prospect | 5.9 mi | Feldspar | — | Prospect |
| Quarries | 6.1 mi | Stone, Dimension | Surface | Past Producer |
| Deep River Sand and Gravel Pit | 6.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Pegmatite Quarry | 6.2 mi | Feldspar | Surface | Past Producer |
| Feldspar Pegmatite Quarry No. Cj-045 | 6.2 mi | Feldspar | — | Past Producer |
| Slater's Feldspar Pegmatite Quarries | 6.4 mi | Feldspar | — | Past Producer |
| Maromas Quarries | 6.4 mi | Stone, Dimension | Surface | Past Producer |
| Haynes Aggregates - Deep River , Llc | 6.5 mi | Crushed, Broken Stone NEC | Surface | Intermittent |
| Deep River | 6.5 mi | Crushed, Broken Stone NEC | Surface | Intermittent |
| Slocum Beryl Prospect | 6.6 mi | Feldspar | Surface | Past Producer |
| Maromus Granite Gneiss Rock Quarries | 6.7 mi | Stone, Dimension | — | Past Producer |
| Selden Neck Quarries | 6.8 mi | Granite | Surface | Past Producer |
| Pegmatite Quarry | 6.8 mi | Feldspar | Surface | Past Producer |
| Reeb Mica Mine | 6.8 mi | Feldspar, Mica | Surface | Prospect |
| Feldspar Pegmatite Quarry No. Cj-044 | 6.8 mi | Feldspar | — | Past Producer |
| Reeb Mica Mine | 6.9 mi | Mica | — | Past Producer |
| Selden Neck Granite Gneiss Rock Quarry | 6.9 mi | Stone, Dimension | — | Past Producer |
| Slocum Beryl Feldspar Mine | 7.0 mi | Feldspar | — | Past Producer |
| Markham Mica Mine | 7.0 mi | Mica | Surface | Past Producer |
| Feldspar Pegmatite Dike No. Cj-049 | 7.0 mi | Feldspar | — | Past Producer |
| Markham Mica Mine | 7.1 mi | Mica | — | Past Producer |
| Tollgate Mica-Feldspar Mine | 7.3 mi | Feldspar, Mica | Surface-Underground | Prospect |
| Benvenue Granite Gneiss Rock Quarries | 7.3 mi | Stone, Dimension | — | Past Producer |
| Tollgate Mica-Feldspar Mine | 7.4 mi | Niobium (Columbium), Feldspar, Mica, Tantalum | — | Past Producer |
| Garnet Mine | 7.5 mi | Garnet | Surface | Past Producer |
| Limestone Quarry No. Ck-008 | 7.6 mi | Limestone, General | — | Past Producer |
| Pegmatite Quarry | 7.6 mi | Feldspar | Surface | Past Producer |
| Benvenue Quarries | 7.7 mi | Granite | Surface | Past Producer |
| Granite Gneiss Rock Quarries No. Cj-040 | 7.7 mi | Stone | — | Past Producer |
| Riverside Quarry | 7.9 mi | Feldspar | Surface | Prospect |
| Basalt Rock Quarries No. Ck-007 | 7.9 mi | Stone, Crushed/Broken | — | Past Producer |
| Granite Quarries | 7.9 mi | Granite | Surface | Past Producer |
| Metamorphic Rock Quarry No. Cj-039 | 7.9 mi | Stone | — | Past Producer |
| Middletown Mine | 8.4 mi | Feldspar | Surface | Producer |
| White Rock Pegmatite Quarry | 8.4 mi | Feldspar | Surface | Past Producer |
| No Name Given | 8.4 mi | Nickel | — | Past Producer |
| Gneiss Quarry | 8.4 mi | Granite | Surface | Past Producer |
| Middletown Mill | 8.5 mi | Mica | Processing Plant | Plant |
| White Rock Pegmatite Quarries | 8.5 mi | Feldspar | — | Producer |
| Pegmatite Quarry | 8.5 mi | Feldspar | Surface | Past Producer |
| Brownstone Sandstone Quarries No. Ck-004 | 8.6 mi | Stone, Dimension | — | Past Producer |
| Brownstone Quarries | 8.6 mi | Flagstone | Surface | Past Producer |
| Middletown Mine | 8.6 mi | | Underground | Past Producer |
| Roadmetal Quarry | 8.7 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Granite Gneiss Rock Quarry No. Cj-034 | 8.7 mi | Stone | — | Past Producer |
| Western Quarry | 8.7 mi | Feldspar | Surface | Past Producer |
| Joshua Rock Quarry | 8.8 mi | Granite | Surface | Past Producer |
| Quarry | 8.8 mi | Stone, Dimension | Surface | Past Producer |
| Joshua Granite Gneiss Rock Quarry | 8.9 mi | Stone, Dimension | — | Past Producer |
| Arkose Rock Quarry No. Cj-037 | 8.9 mi | Stone, Dimension | — | Past Producer |
| Feldspar Pegmatite Quarry No. Cj-033 | 8.9 mi | Feldspar | — | Past Producer |
| State Forest No. 2 Mica Mine | 9.0 mi | Mica | — | Past Producer |