Pennsylvanian of the northern mid-continent region /
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Main Author: | |
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Corporate Authors: | , |
Format: | Government Document Conference Proceeding Book |
Language: | English |
Published: |
Washington :
U.S. Govt. Print. Off,
1932.
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Item Description: | At head of title: International Geological Congress, 16th, United States, 1933. Guidebook 20: Excursion C-2. Published under the auspices of the United States Geological Survey. |
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Physical Description: | iii, 8 pages : folded map ; 22 cm |