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Publication Extents

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Virgin Valley opal district, Humboldt County, Nevada
Mortimer Hay Staatz, Herman L. Bauer Jr.
1951, Circular 142
The Virgin Valley opal district, Humboldt County, Nevada, is near the Oregon-Nevada border in the Sheldon Game Refuge. Nineteen claims owned by Jack and Toni Crane were examined, sampled, and tested radiometrically for uranium. Numerous discontinuous layers of opal are interbedded with a gently-dipping series of vitric tuff and ash...
Rocks and structure of the Quartz Spring area, northern Panamint Range, California
James Franklin McAllister
1951, Open-File Report 51-73
The Quartz Spring area covers about 50 square miles in the northern part of the Panamint Range, Inyo County, California. It lies near the southwestern border of the Basin and Range Province. The paper describes the stratigraphy, igneous petrology, and the main structures of the area. The formations, as defined...
Indian Creek uranium prospects, Beaver County, Utah
Donald G. Wyant, Frederick Stugard Jr.
1951, Open-File Report 51-24
The secondary uranium minerals metatorbernite (?) and autunite (?) were discovered at Indian Creek in the spring of 1950. The deposits, in sec. 26, T. 27 S., R. 6 T., Beaver County, Utah, are 20 miles west of Marysvale, and about three-eighths of a mile east of a quartz monzonite...
Field method for the determination of molybdenum in plants
Laura E. Reichen, F. N. Ward
1951, Circular 124
Fresh plant material is ashed directly by heating in nickel or platinum dishes over a "flame. An acid solution of 25 milligrams of ash is treated with stannous chloride and potassium thiocyanate. The amber-colored molybdenum thiocyanate complex ion is extracted with isopropyl ether, and the intensity of the color of...