A photometric method for the estimation of the oil yield of oil shale
Frank Cuttitta
1951, Trace Elements Investigations 152
A method is presented for the distillation and photometric estimation of the oil yield of oil-bearing shales. The oil shale is distilled in a closed test tube and the oil extracted with toluene. The optical density of the toluene extract is used in the estimation of oil content and is...
Carnotite resources of the Calamity group area, Mesa County, Colorado
Harold K. Stager
1951, Trace Elements Investigations 146
The Calamity group area, which includes 28 unpatented Government claims and enclosed fractions of public domain, lies along the east rim of Calamity Mesa, Mesa County, Colo. From 1915 through 1944, about 10,000 tons of carnotite ore, averaging about 1.0 percent U3O8 and 2.5 percent V2O5, was produced from mines...
Reserves of phosphate in the land-pebble phosphate field, Hardee, Hillsborough, Manatee, Osceola, Pasco, and Polk counties, Florida
James Bachelder Cathcart, C.G. Tillman, H.B. Dutro
1951, Trace Elements Investigations 141
No abstract available....
In Memoriam: Albert Kenrick Fisher
F.M. Uhler
1951, The Auk (68) 210-213
Dr. Albert Kenrick Fisher, a Founder and Past President of the American Ornithologists' Union and one of its best known Fellows for nearly 65 years, died in Washington, D. C. on June 12, 1948, after a brief illness from circulatory complications that developed as a result of advanced age....
The Potomac Basin 3. Where are the ducks?
W. Slavik, F.M. Uhler
1951, Atlantic Naturalist (6) 143-150
Upper digestive tract trichomoniasis in mourning doves and other birds
R. M. Stabler, Carlton M. Herman
1951, Transactions of the North American Wildlife Conference (16) 145-162
No abstract available....
Distinctions between the snake genera Contia and Eirenis
W. H. Stickel
1951, Herpetologica (7) 125-131
Summary: Various workers have believed Contia to be related to or congeneric with either or both Sonora and Eirenis, the latter a genus of Western Asia. Study of hemipenes, teeth, and jaws indicates that these genera are not related to one another. The hemipenes of Eirenis modesta and...
Upland game in 1951--and a look at things to come
D.L. Allen
1951, Field and Stream (56) 36-38,
Birds as a factor in controlling insect depredations
C. Cottam, F.M. Uhler
1951, Wildlife Leaflet 224 (reissued)
Food of game ducks in the United States and Canada
A. C. Martin, F.M. Uhler
1951, Research Report No. 30
Reconnaissance examination for uranium at six mines and properties in Idaho and Montana
John Stewart Vhay
1951, Trace Elements Memorandum 30-A
Six mining properties in Idaho and Montana at which radioactivity had been reported or suspected were briefly examine by J.S. Vhay and W.A. Roberts of the U.S. Geological Survey in October and November 1949. The properties in Idaho are the Grunter mine, from which radio-active mill concentrates have been reported; the...
Reconnaissance of radioactive rocks of Vermont, New Hampshire, Connecticut, Rhode Island and southeastern New York
Francis Alexander McKeown
1951, Trace Elements Investigations 67
Mount Tobin, Nevada geology
Siemon W. Muller, Henry Gardiner Ferguson, Ralph Jackson Roberts
1951, Geologic Quadrangle 7
Trace elements work of the Geological Survey
Vincent Ellis McKelvey
1951, Trace Elements Investigations 208
The Blashke Island ultrabasic complex, with notes on related areas in southeastern Alaska
Matt S. Walton Jr.
1951, Open-File Report 51-29
No abstract available....
Preliminary geologic map and report of Franklin County, Nebraska
Richard Van Horn
1951, Open-File Report 51-31
Bedrock geology of the Mount Toby quadrangle, Massachusetts
Max Emery Willard
1951, Geologic Quadrangle 8
No abstract available....
Bibliography of North American geology, 1949
Emma Mertins Thom, Marjorie Hooker, R.R. Dunaven
1951, Bulletin 977
Geologic map of the Oak City area, Utah
David J. Varnes, Richard Van Horn
1951, Open-File Report 51-12
No abstract available....
Total intensity aeromagnetic map of part of Weingarten quadrangle, Missouri
William J. Dempsey, J. L. Meuschke
1951, Geophysical Investigations Map 81
No abstract available....
Total intensity aeromagnetic map of part of Higdon quadrangle, Missouri
William J. Dempsey, J. L. Meuschke
1951, Geophysical Investigations Map 80
No abstract available....
Geology of the Arctic slope of Alaska
Thomas G. Payne, W.W. Dana, W. A. Fischer, George Gryc, E. H. Lathram, R. H. Morris, H.N. Tappan, S.T. Yusler
1951, Oil and Gas Investigation Map 126
No abstract available....
Surface water supply of the United States, 1949, Part VII, Lower Mississippi River basin
Water Resources Division, U.S. Geological Survey
1951, Water Supply Paper 1147
Total intensity aeromagnetic map of Douglas County and part of Grant County, Minnesota
J. R. Balsley Jr., M. E. Hill, J. L. Meuschke
1951, Geophysical Investigations Map 51
No abstract available....
Index of surface-water records, part 6, Missouri River basin, to September 30, 1950
R.E. Oltman
1951, Circular 116