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By "Douglass, Earl, 1862-"
The Neocene lake beds of western Montana and descriptions of some new vertebrates from the Loup Fork / by Earl Douglass.
By: Douglass, Earl,
Publication info: [Missoula, Mont.] :The University,1899.
Contributed by: Harvard University, MCZ, Ernst Mayr Library
BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
The Tertiary of Montana / by Earl Douglass.
By: Douglass, Earl, - Carnegie Museum.
Publication info: Pittsburgh :Published by the authority of the Board of Trustees of the Carnegie Institute,
Contributed by: Harold B. Lee Library (archive.org)