A Biological Survey of North Dakota (open access)

A Biological Survey of North Dakota

Summary of physiography and life zones and mammals of North Dakota.
Date: December 1926
Creator: Bailey, Vernon
System: The UNT Digital Library
Mammals of New Mexico (open access)

Mammals of New Mexico

Summary of the species of mammals native to New Mexico, including a map of the life zones, descriptions of the physiographic features, and lists of characteristic zone-marking plants, birds, mammals.
Date: December 1931
Creator: Bailey, Vernon
System: The UNT Digital Library