Tentative correlation of the named geologic units of North Dakota.
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Author / Creator: | Wilmarth, M. Grace (Mary Grace), 1866-1949. |
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Imprint: | [Washington] : U.S. Geological Survey, 1931. |
Description: | 1 chart ; on sheet 60 x 75 cm. |
Language: | English |
Subject: | |
Format: | Map U.S. Federal Government Document Print |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3873527 |
Regenstein, Room 370, Map Collection
Call Number: |
G4171.C57 1931 .W5
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