Tentative correlation of the named geologic units of Maryland.
Saved in:
Author / Creator: | Wilmarth, M. Grace (Mary Grace), 1866-1949. |
---|---|
Imprint: | [Washington ] : U.S. Geological Survey, 1929. |
Description: | 2 charts ; 59 x 55 cm. |
Language: | English |
Subject: | |
Format: | Map U.S. Federal Government Document Print |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3873541 |
Physical Description: | 2 charts ; 59 x 55 cm. |
---|