State of Pennsylvania

Author:

Geological Survey (U.S.)

Publisher:

Interior--Geological Survey : For sale by the Supt. of Docs., U.S. G.P.O.

Spatial Coverage:

Pennsylvania

Language:

English

Year:

1977

Date Issued:

2012-02-29T17:00:56Z

Date Modified:

2015-04-16T18:00:56Z

Library Catalog Record:

https://search.library.yale.edu/catalog/10409102

Digital Collections Record:

No Digital Collections record