| Lat / long: | 39.43112, -76.52406 |
| Primary: | Feldspar |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 240050039 |
| DEP | 10194761 |
| Reference | {Deposit:: SINGEWALD, JR, J T, 1928, MD.G.S. VOL 12, PART 2, P. 110.}{Deposit:: FOR LOCATION SEE MAP ATTACHED TO GILMOR QUARRY,BALT.CO.-LIST}{Deposit:: NO.14.}{Deposit:: PEARRE, NANCY C, 1961, USGS MIN INV RES MAP MR-12.} |
| Reporter | Eastern Field Operations Center (EFOC) |