Recurrent Tropidoleptus zones of the upper Devonian in New York:
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Bibliographic Details
Main Author: Williams, Henry Shaler (Author)
Format: Book
Language:English
Published: Washington Government Printing Office 1913
Series:Geological Survey professional paper / United States Geological Survey 79
Subjects:
Physical Description:103 S. Ill.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!