Geology of the Fort Smith district, Arkansas
T. A. Hendricks, Bryan Parks
1950, Professional Paper 221-E
Pre-Wisconsin soil in the Rocky Mountain region; a progress report
Charles B. Hunt, V.P. Sokoloff
1950, Professional Paper 221-G
Quality of water of the Gila River basin above Coolidge Dam, Arizona
John David Hem
1950, Water Supply Paper 1104
Mica deposits in Minas Gerais, Brazil
William Thomas Pecora, M. R. Klepper, D. M. Larrabee, A. L. M. Barbosa, Resk Frayha
1950, Bulletin 964-C
Cretaceous plants from southwestern Colorado
Roland W. Brown
1950, Professional Paper 221-D
The habits and adaptation of the Oligocene saber tooth carnivore, Hoplophoneus
Jean Hough
1950, Professional Paper 221-H
Guide to the classification of fishing gear in the Philippines
Agustin F. Umali
1950, Research Report 17
Corundum deposits of Gallatin and Madison Counties, Montana
Stephen Edmund Clabaugh, F.C. Armstrong
1950, Bulletin 969-B
Photo interpretation of the terrain along the southern part of the Alaska Highway
Hugh Miller Raup, Charles Storrow Denny
1950, Bulletin 963-D
Mine maps of Boulder tungsten district, Colorado
Thomas Seward Lovering, Ogden L. Tweto
1950, Open-File Report 50-41
Geology and mineral resources of the Maimon-Hatillo district, Dominican Republic
Albert Herbert Koschmann, Mackenzie Gordon Jr.
1950, Bulletin 964-D
The Eureka and happy landing (Cooper-Sands) groups of claims, Uintah County, Utah : a preliminary report
Harry Clifford Granger, Herman Louis Bauer
1950, Trace Elements Memorandum 32
Mineral resources of Colombia (other than petroleum)
Quentin Dreyer Singewald
1950, Bulletin 964-B
The following report summarizes data acquired during 1942-45, in Colombia, by geologists and engineers of the Foreign Economic Administration, with whom the United States Geological Survey cooperated. Twenty-nine mineral commodities are considered, but the data for five of them are scant because they were of no interest to FEA personnel....
Tin, copper, and uranium at Majuba Hill, Nevada
R.H. Thurston, F.M. Chace
1950, Trace Elements Investigations 81-A
Uranium minerals occur with ores of copper, tin, and silver at Majuba Hill, Nevada. During World War I, the Majuba Hill mine produced about 4,000 tons of 12 percent copper ore, and during World War II about 23,000 tons of ore containing 2 to 4 percent copper and enough tin ore to furnish...
A geologic reconnaissance of parts of Beaverhead and Madison Counties, Montana
Montis Ruhl Klepper
1950, Bulletin 969-C
Gold placers and their geologic environment in northwestern Park County, Colorado
Quentin Dreyer Singewald
1950, Bulletin 955-D
Fluorspar prospects of Montana
Clyde Polhemus Ross
1950, Bulletin 955-E
Forty-Niner, King Solomon Ridge, and West End claims near Clancy in Jefferson County, Montana
M. R. Klepper
1950, Trace Elements Memorandum 31
Beryllium in Colorado
Lincoln Ridler Page
1950, Trace Elements Investigations 88
An introduction to the geochemistry of gadolinium
Michael Fleischer
1950, Trace Elements Investigations 128
The fluorometirc determination of aluminum in phosphate rock with 8-hydroxyquinoline
F. S. Grimaldi, Harry Levine
1950, Trace Elements Investigations 60
Abstracts of the literature on synthesis of apatites and some related phosphates, Part I and Part II
Elizabeth B. Jaffe
1950, Trace Elements Investigations 132
Progress report on ground-water investigation in Ashley Valley, Uintah County, Utah
W.B. Nelson, B. E. Lofgren
1950, Open-File Report 50-86
No abstract available....
Volcanoes of the Paricutin region, Mexico
Howel Williams
1950, Bulletin 965-B
Geologic interpretation of seismic data, relocation of Route 2, Stations 138-155 in Lancaster, Mass.
James E. May, Daniel Linehan
1950, Open-File Report 50-44
The proposed relocation of the Concord-Westminster Highway, Route 2, in Lancaster, Mass., requires a long, deep cut between stations 138 and 155. A preliminary seismic survey was made of the site in October 1949. At that time five transverses were made along the base-line, and three transverse to it. This...