Cojoot Mine (historical) | Cojoot Mine (historical) | Washington | 56 | Narragansett Pier |
Portsmouth Coal Mines (historical) | Portsmouth Coal Mines (historical) | Newport | Unknown | |
Smith Granite Quarry (historical) | Smith Granite Quarry (historical) | Washington | 121 | Watch Hill |
Sullivan Quarries (historical) | Sullivan Quarries (historical) | Washington | 138 | Carolina |
Jackson Quarry | Jackson Quarry | Kent | 397 | Coventry Center |
Conklin Limestone Quarry | Conklin Limestone Quarry | Providence | 171 | Pawtucket |