Preferred Forms
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- 100 1 0 ‡a Utgard, Russell O.
- 100 1 _ ‡a Utgard, Russell O.
- 100 1 _ ‡a Utgard, Russell O.
- 100 1 _ ‡a Utgard, Russell O.
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Works
Title | Sources |
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Geology; an introduction | |
Investigations in environmental geology | |
Man and his physical environment | |
Man's finite earth | |
Sourcebook for earth sciences and astronomy |