The Interpretation of Topographic Maps - Primary Source Edition

Geography of the Region about Devil's Lake and the Dallas of the Wisconsin, with Some Notes on Its Surface Geology

Laboratory Exercises in Structural and Historical Geology; a Laboratory Manual Based on Folios of the United States Geological Survey, for use With Classes in Structural and Historical Geology

Interpretation of Topographic Maps

Geology. 1. Geologic Processes and Their Results

Physiography

The elements of geography

Laboratory Exercises in Structural and Historical Geology; a Laboratory Manual Based on Folios of the United States Geological Survey, for Use with Cl