| Lat / long: | 39.55282, -77.17328 |
| Primary: | Stone |
| Operation type: | Surface |
| Development status: | Producer |
| MRDS | W019851 |
| MAS | 240130001 |
| DEP | 10121399 |
| Reference | {Deposit:: EDWARDS, JR., J., 1971, MARYLAND I.C. 11, P. 1.}{Deposit:: MESA INSP.}{Deposit:: # THIS MINE IS ASSOCIATED WITH THE UNION BRIDGE}{Deposit:: # PLANT (0240139001).}{Deposit:: RCF & CMS LISTS 10/81} |
| Reporter | Eastern Field Operations Center (EFOC) |