From abstract: Reconnaissance in 1947 found uranothorianite and gummite associated with copper sulfides, iron oxides, molybdenite, gold, silver, bismuth, and thorite in placers of a headwater tributary of the Peace River in the eastern part of the Seward Peninsula, Alaska. Brief radiometric reconnaissance early in the summer of 1952 failed to locate the bedrock source of the radioactive minerals at the head of the Peace River, primarily because of the shielding-effect of widespread tundra cover. The samples obtained in 1952 indicate the presence of galena, sphalerite, pyrrhotite, covellite, and fluorite in addition to the minerals reported in the results of the 1947 reconnaissance.

This is a photogeologic map, scale 1:24,000, of the Agathla Peak-1 on the Navajo Indian Reservation in Navajo County, Arizona.

Abstract: Zeunerite occurs near the surface of a granite stock on the southwest flank of Brooks Mountain, Alaska. The largest deposit is at the Foggy Day prospect where zeunerite is disseminated in hematite which partially or totally fills openings and vugs in a highly oxidized lensshaped body of pegmatitic granite and to a minor extent in openings and cracks in the weathered granite enclosing the lens. Although a few specimens from the pegmatitic lens contain as high as 2.1 percent equivalent uranium, the overall average content of the lens rock is between 0.1 and 0.2 percent equivalent uranium and about 0.07 percent equivalent uranium for both the lens material and the surrounding zeunerite-bearing granite.

From abstract: The land-pebble phosphate district of Florida is a part of the Gulf Coastal Plain. The geologic formations cropping out in the district are the Miocene Hawthorn, Pliocene Bone Valley, and Pleistocene terrace sands. The Bone Valley formation consists of a lower strongly phosphatic unit and an upper less phosphatic unit. This paper is concerned principally with the lower unit, which contains the bulk of the minable phosphate deposits of the district.

Abstract: Reconnaissance for uranium in the Lost River area, Seward Peninsula, Alaska, during the 1951 field season revealed the presence of minor amounts of radioactive material in mineralized portions of rhyolitic dikes and in a small iron-enriched zone in limestone. The dikes contain as much as 0.01 percent equivalent uranium locally and average 00005 percent equivalent uranium. The radioactive material occurs as a secondary hematitic coating of the dike rock. The iron-enriched zone has an average content of about 0.06 percent equivalent uranium with the radioactive material occuring in limonite, hematite, goethite, and mimetite. The radioactivity of these minerals is due to the presence of uranium as an impurity. No uranium deposits of economic importance were found.

Report discussing different types of uranium deposits found in Colorado mines and the geological guides which can help locate these deposits.

Report discussing a study regarding methods for extracting rare earths and thorium from phosphate rock samples.

Report discussing an investigation of copper deposits in sandstone that were believed to be possibly uraniferous, and uraniferous asphaltite deposits.

Report discussing the distribution, composition, and origin of the phosphate deposits in the land-pebble district in the Gulf Coastal Plain of Florida.

Report discussing reconnaissance for uranium in the Lost River area of the Seward Peninsula in Alaska during the 1951 field season. The report states that no uranium deposits of economic importance were found.

Report discussing an investigation of zeunerite found at Brooks Mountains, Alaska. This zeunerite was believed to be possibly uraniferous.

Preliminary 16 x 7.5 minute map of the Dinne Mesa south west area, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.

Preliminary 16 x 7.5 minute map of Part of the Carrizo Mountains Area, Northeastern Arizona, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.

Preliminary 16 x 7.5 minute map of Part of the Carrizo Mountains Area, Northeastern Arizona, and Northwestern New Mexico, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.

A Photogeologic map of the Mt. Peale-8 quadrangle, San Juan County, Utah, Montrose County, Colorado

"This paper summarizes the results of the field studies of the Survey's Reconnaissance Group and outlines some geologic criteria that may be useful in guiding the search for uranium ore. The writers wish to acknowledge the cooperation of the minding companies and individuals who materially aided the program of investigations by reporting radioactive localities and by submitting samples of radioactive rocks and ores."

Three maps illustrating distribution of metal deposits in metal-mining districts in Colorado. The first map is a geological survey indicating uranium deposits, rock characteristics, and the location of the Central Mining District in relationship to counties in Colorado. The second map shows pitchblende deposits and bostonite dikes in the Front Range Mineral Belt near Central City, Colorado. The third map near indicates the locations of pitchblende deposits alongside metal vein systems near Central City, Colorado

Preliminary 16 x 7.5 minute map of the Dinne Mesa north west area, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.

Preliminary 16 x 7.5 minute map of the Los Gigantes north west area in the Carrizo Mountains area, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.

Preliminary 16 x 7.5 minute map of Part of the Carrizo Mountains Area, Northeastern Arizona, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.

Preliminary 16 x 7.5 minute map of Part of the Carrizo Mountains Area, Northeastern Arizona, showing geology, roads, drainage, meridians and parallels, triangulation stations, and air-photo centers and wing points.