Mineral deposits of Maryland, excluding fuels, sand, and gravel
| Main Author: | Pearre, Nancy C. |
|---|---|
| Other Authors: | Geological Survey (U.S.) |
| Format: | Map |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Geological Survey,
1961.
|
| Physical Description: |
1 map : color ; 94 x 124 cm, folded in envelope 30 x 24 cm. |
| Series: |
Mineral investigations. Resource map ;
MR-12. |
| Subjects: |