Johnstown 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

Johnstown
60
Hover, F.B.
1957
Bedrock Geology
24000
Bates; Henry
Johnstown
80
Gentile, R.J.
1966
Bedrock Geology
24000
Bates; Henry
Johnstown
60
Gentile, R.J.
1976
Bedrock Geology
62500
Bates, Henry