MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado

B-30 Geology and Ore Deposits of the Red Cliff District, Colorado

B-31 Geology of the Tarryall District, Park County, Colorado

B-24 Some Anticlines of Western Colorado

B-16 Radium, Uranium, and Vanadium Deposits of Southwestern Colorado

B-22 Mineral Deposits of the Western Slope

B-19 The Cretaceous Formations of the Northeastern Colorado Plains and the Foothills Formations of North-Central Colorado

B-18 Fluorspar Deposits of Colorado

B-21 The Geology of the Ward Region, Boulder County, Colorado

B-15 Manganese Deposits of Colorado

GEO-1918-01 The Denver and Salt Lake Railroad

B-13 Geology and Ore Deposits of the Platoro-Summitville Mining District