On the classification of the early Cambrian and Pre-Cambrian formations:
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Bibliographic Details
Main Author: Irving, Roland D. (Author)
Format: Book
Language:English
Published: Washington 1888
Subjects:
Item Description:Aus: Annual Report of the US Geological Survey, 7, 1888
Physical Description:S. 367 - 454 Ill., graph. Darst., Kt.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!