Title: Previously unpublished expedition sketches by Henry W. Elliott united with the Preliminary field report of the United States Geological Survey of Colorado and New Mexico, 1869, by F.V. Hayden
Description: This CD-ROM unifies Elliott's unpublished sketches with the 1869 Hayden report.
Subjects: Geology, Pictorial works, Discovery and exploration
Places: New Mexico, Colorado, West (U.S.)