SP-05B Atlas of Sand SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties
MI-08 Engineering Geologic Factors of the Marble Area MI-08 Engineering Geologic Factors of the Marble Area, Gunnison County, Colorado
SP-01 The Governor’s First Conference on Environmental Geology: Proceedings SP-01 The Governor’s First Conference on Environmental Geology: Proceedings, 1969
MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado
B-20 Preliminary Notes on the Revision of the Geological Map of Eastern Colorado B-20 Preliminary Notes on the Revision of the Geological Map of Eastern Colorado
B-19 The Cretaceous Formations of the Northeastern Colorado Plains and the Foothills Formations of North-Central Colorado B-19 The Cretaceous Formations of the Northeastern Colorado Plains and the Foothills Formations of North-Central Colorado
B-12 Common Minerals and Rocks: Their Occurrence and Uses B-12 Common Minerals and Rocks: Their Occurrence and Uses (1917)