The Portage Lake Volcanics (Middle Keweenawan) on Isle Royale, Michigan
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Main Author: | Huber, N. King 1926- |
---|---|
Other Authors: | United States. National Park Service. |
Format: | Book |
Language: | English |
Published: |
Washington :
U.S. Govt. Print. Off.,
1973.
|
Physical Description: |
iv, C32 pages : illustrations ; 29 cm. |
Series: |
Geological Survey professional paper ;
754-C. |
Subjects: |
In Prospector
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