Preliminary geologic map of the Verdure 4 SW quadrangle, San Juan County, Utah

Report issued by the U.S. Bureau of Mines discussing the costs and methods of uranium mining in San Juan County, Utah. History, geology, and production of the uranium mines are presented. This report includes tables, maps, illustrations, and photographs.

Report discussing investigations seeking uranium in deposits of black shale around the geographical areas of the Western States

A report regarding the uranium deposit at the Yellow Canary Claims in Daggett County, Utah.

Report discussing the Yellow Canary claims uranium deposit on the west side of Red Creek Canyon in the northern part of the Uinta Mountains, Daggett County, Utah. "The claims have been developed by two adits, three open cuts, and several hundred feet of bulldozer trenches. No uranium ore has been produced from this deposit."

This report gives preliminary results of detailed mapping done during the 1952 field season, summarizes habits of the uranium deposits, and presents guides that may be useful in exploring for additional deposits.

The Delta 1°x2° Quadrangle, Utah contains rocks which range in age from the Precambrian through the Holocene. It lies in the eastern part of the Basin and Range Province, approximately 85 mi southwest of Salt Lake City. Most known uranium resource potential lies in four geographic environments in two geographic areas. Favorable environments are: (1) Tertiary tuffaceous sandstone and conglomerate epigenetic disseminated deposits; (2) volcanic hydroallogenic environments containing uranium-mineralized altered tephra in the beryllium tuff member of the Miocene Spor Mountain Formation; (3) pipes or small diatreme structures in the Paleozoic limestones and quartzites on Spor Mountain, defined as Tertiary volcanogenic hydroallogenic environments; and, (4) alluvial-lacustrine placer environments, on the east and west sides of the Deep Creek Range adjacent to the quartz monzonite Ibapah stock. The significant volume of Miocene rhyolites and tuffs in the Quadrangle contain uncommonly large abundances of uranium and thorium.