Aeromagnetic map of the Reading quadrangle, Berks County, Pennsylvania
Main Author: | Geological Survey (U.S.) |
---|---|
Other Authors: | Bromery, Randolph W. 1926-2013., Henderson, John R., Zandle, Gerald L. |
Format: | Map |
Language: | English |
Published: |
Washington, D.C. :
The Survey,
1960.
|
Physical Description: |
1 map ; 57 x 45 cm, on sheet 61 x 70 cm, folded in envelope 30 x 24 cm. |
Series: |
Geophysical investigations (Geological Survey (U.S.)) ;
map GP-230. |
Subjects: |
Item Description: |
Includes note, index maps, and map. "Aeromagnetic survey flown at 500 feet above ground, 1957." |
---|---|
Physical Description: |
1 map ; 57 x 45 cm, on sheet 61 x 70 cm, folded in envelope 30 x 24 cm. |