Pennsylvanian of the northern mid-continent region,
Main Author: | |
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Corporate Authors: | , |
Format: | Conference Proceeding Book |
Language: | English |
Published: |
Washington,
U.S. Govt. Print. Off.,
1933
|
Series: | International Geological Congress, 16th, United States, 1933. Guidebook 20: Excursion C-2
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Subjects: |