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Early Tertiary mollusks from the Powder River Basin, Wyoming-Montana, and adjacent regions

Open-File Report 75-331

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Abstract

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Early Tertiary mollusks from the Powder River Basin, Wyoming-Montana, and adjacent regions
Series title:
Open-File Report
Series number:
75-331
Edition:
-
Year Published:
1975
Language:
ENGLISH
Publisher:
U.S. Dept. of the Interior, Geological Survey],
Description:
2 v. (xiii, 515 leaves) :ill., maps, 3 fold. charts in pocket ;29 cm.; (4 sheets - PGS)