Investigation of thucholite deposits near Placerville, Colorado /

"July 12, 1951, Site issuance date."

Uranium deposits on southwest rim of Lukachukai Mountains, northeast Arizona /

Part of the Salt Wash sandstone outcrop on the southwest rim of the Lukachukai Mountains is strongly mineralized in cross-bedded, channel sandstone. The deposits are opposite the strongly mineralized belt on the northeast rim. A north to northeast ore trend is possibly related to the original Salt Wash stream system.

Uranium in Fall River area, Clear Creek County, Colorado /

"October 15, 1951, [Site Issuance Date]."

Examination of the Stalin's Present mine, Pershing County, Nevada /

The uranium prospect here described is located in Rocky Canyon on the western side of the Humbolt Range approximately 25 miles northeast of Lovelock, in Pershing County, Nevada. The claims are estimated to be in Sec. 6, T.29 N., R.34 E., MDBM. The Lovelock, Nevada, quadrangle topographic sheet of the U. S. Geological Survey, on a scale of 4 miles to one inch, and with contour interval of 100 feet, shows the area in the east central portion of the sheet.

Preliminary reconnaissance for uranium in Texas, 1951 to 1957 /

Supersedes PB's 172753 through 172783.

Preliminary reconnaissance for uranium in Apache and Cochise Counties, Arizona, 1950 to 1957 /

"Supersedes PB's 172477 and 172478."

Preliminary reconnaissance for uranium in Coconino County, Arizona, 1951 to 1955 /

"June 1970."

Preliminary reconnaissance for uranium in Gila County, Arizona, 1951 to 1956 /

"Supersedes PB-172840."

Preliminary reconnaissance for uranium in Graham, Grant, Greenlee and Maricopa counties, Arizona : 1950 to 1957 /

"Supersedes PB's 172481 through 172484."

Preliminary reconnaissance for uranium in Pima and Pinal Counties, Arizona, 1950 to 1957 /

"June 1970."

Preliminary examination of uraniferous lignites, Harding County, South Dakota /

"August 5, 1955."

Preliminary geologic reconnaissance in the Lance Creek area, Niobrara County, Wyoming /

"October 21, 1955."

Diamond drilling in the southern Black Hills, Fall River County, South Dakota /

"October 1955."

Drilling report, Wind River Basin Project no. 1, Gas Hills area, Wyoming.

"January 1956."

Airborne radiometric survey in the Lemitar-Ladron area, New Mexico /

Three areas of Tertiary sedimentary and igneous rocks in northwestern Socorro County, New Mexico, were covered by an airborne radiometric survey in April 1955. The survey failed to reveal any new areas of anomalous radioactivity.