| Baltimore Feldspar Company Quarry |
|
State Park |
|
Feldspar |
| Belle Grove Pit |
|
Private |
|
Sand and Gravel |
| Blowhorn Ore Banks |
|
Private |
|
Iron |
| Cordy Quarry |
|
State Park |
|
Feldspar |
| Coursey Ore Bank |
Ring, Howard |
Private |
|
Iron |
| During Ore Bank |
|
Private |
|
Iron |
| Fisher and Carozza Quarries |
|
Private |
|
Feldspar |
| Hilton Quarry |
|
|
|
Molybdenum |
| Kraft Ore Banks |
|
Private |
|
Iron |
| Mount St.Clement College Quarry |
|
Private |
|
Feldspar |
| Northeast Halethorpe Ore Banks |
|
Private |
|
Iron |
| Northeast Landsdowne Ore Banks |
Mt. Zion Cemetery Co. |
Private |
|
Iron |
| Northwest Landsdowne Ore Banks |
Excelsior Brick And Pottery Co. |
Private |
|
Iron |
| O'Connor Farm Quarries |
|
State Park |
|
Feldspar |
| Pindell Quarries No. 1 |
|
State Park |
|
Feldspar |
| Pindell Quarries No. 2 |
|
State Park |
|
Feldspar |
| Pitcher and Creager Brick Co.Banks |
|
Private |
|
Iron |
| Randle Ore Bank |
Randle, William T. |
Private |
|
Iron |
| Ring Ore Bank |
David Ring |
Private |
|
Iron |
| Rittenhouse Ore Bank |
|
Private |
|
Iron |
| Southeast Landsdowne Ore Banks |
C. J. Hull |
Private |
|
Iron |
| Stapleton Ore Banks |
R. E. Stapleton |
Private |
|
Iron |
| Virginia Ore Banks |
|
Private |
|
Iron |
| Waranch Prospect |
|
State Park |
|
Uranium |
| Weber Quarry |
|
Private |
|
Feldspar |
| Wharton Quarry |
|
Private |
|
Feldspar |
| Whitaker Ore Banks |
|
Private |
|
Iron |
