| Main Title |
Map of rock types in bedrock of Allegheny County, Pennsylvania / |
| Author |
Kohl, William R., ;
Briggs, Reginald Peter
|
| Other Authors |
|
| CORP Author |
Geological Survey (U.S.); Appalachian Regional Commission. |
| Publisher |
For sale by U.S. Geological Survey, |
| Year Published |
1975 |
| OCLC Number |
09579782 |
| Subjects |
Geology--Pennsylvania--Allegheny County--Maps ;
Allegheny County (Pa)--Maps
|
| Additional Subjects |
Geology--Pennsylvania--Allegheny County--Maps ;
Rocks--Maps ;
Allegheny County (Pa)--Maps
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJAM |
QE158.A4K634 |
|
Region 3 Library/Philadelphia, PA |
01/01/1988 |
|
| Collation |
1 map on 2 sheet ; 106 x 113 cm, on sheets 115 x 92 cm, folded to 29 x 23 cm, in envelope 30 cm |
| Notes |
Relief shown by contours and spot heights. "Contour interval 20 feet; datum is mean sea level." Includes text, bibliographical references, compilation data, and cross-section. Insets: Pennsylvania county index map showing location of Allegheny County -- Simplified geologic map of Allegheny County, Pennsylvania. |
