Philadelphia 7.5' Quad

Click on Publication Order Number to view image of geologic map

7.5' Quadrangle Name

Percent Completed

Author

Date

Theme

Scale

Counties

Publication Order Number

Philadelphia
5
Hinchey, N.S.
1938
Bedrock Geology
125000
Marion
Philadelphia
100 Williams, J.H. 1960
Bedrock Geology
24000
Marion
Philadelphia 100 Heim, G., Jr. 1963 Bedrock Geology 24000 Marion