Forty-niner, King Solomon Ridge, and West End claims near Clancy, Jefferson County, Montana
Montis Ruhl Klepper
1950, Open-File Report 51-23
Geologic interpretations of seismic data, relocation of Route 116, Stations 7-135 in Cheshire, Mass.
Max E. Willard, Daniel Linehan
1950, Open-File Report 50-52
Three segments of the proposed relocation of Route 116, stations 7 to 135, in Cheshire, Mass. require shallow cuts. For the purpose of obtaining information on the depths to bedrock, and on the nature of the overlaying materials, seismic and geologic studies were made of the segments in October 1949....
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...
Basic ground-water data in Lake County, Oregon
F.D. Trauger
1950, Open-File Report 51-156
Nine preliminary aeromagnetic maps covering Aitkin County and parts of Itasca, Kanabec, Koochiching, Mille Lacs, Pine, and St. Louis Counties, Minnesota
J. L. Meuschke
1950, Open-File Report 50-47
Five preliminary aeromagnetic maps of Pottsville and vicinity, Mullan and vicinity, Wallace and vicinity, Smelterville and vicinity, and Kellogg and vicinity, all in the Coeur d'Alene mining district, Idaho
William J. Dempsey
1950, Open-File Report 50-8
Map showing status of geologic mapping and investigations in Massachusetts and Rhode Island under cooperative programs
Louis W. Currier
1950, Open-File Report 50-21
Geologic map of Murphy quadrangle, Tennessee-North Carolina
Philip Burke King, C. W. Hayes
1950, Open-File Report 50-2
Mine maps of Boulder tungsten district, Colorado
Thomas Seward Lovering, Ogden L. Tweto
1950, Open-File Report 50-41
Geologic map of the Marysvale area, Utah
Eugene Callaghan
1950, Open-File Report 50-17
No abstract available. ...
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
The Blewett iron-nickel deposit, Chelan County, Washington
Carl A. Lamey
1950, Bulletin 969-D
A geologic reconnaissance of parts of Beaverhead and Madison Counties, Montana
Montis Ruhl Klepper
1950, Bulletin 969-C
Tin deposits of Durango, Mexico
Ward C. Smith, Kenneth K. Segerstrom, Reinaldo Guiza Jr.
1950, Bulletin 962-D
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....
Gold placers and their geologic environment in northwestern Park County, Colorado
Quentin Dreyer Singewald
1950, Bulletin 955-D
Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania
Preston Enslow Hotz
1950, Bulletin 969-A
Bibliography of North American geology, 1948
Emma Mertins Thom, Marjorie Hooker, R.R. Dunaven
1950, Bulletin 968
Quicksilver deposits of Chile
James Franklin McAllister, Hector Flores Williams, Carlos F. Ruiz
1950, Bulletin 964-E
Corundum deposits of Gallatin and Madison Counties, Montana
Stephen Edmund Clabaugh, F.C. Armstrong
1950, Bulletin 969-B
Copper deposits of the Prince William Sound district, Alaska
Fred Howard Moffit, Robert E. Fellows
1950, Bulletin 963-B
No abstract available....
The District of Columbia, its rocks and their geologic history
Martha S. Carr
1950, Bulletin 967
No abstract available....
Fluorspar prospects of Montana
Clyde Polhemus Ross
1950, Bulletin 955-E
Magnesite deposits of central Ceara, Brazil
Alfred J. Bodenlos
1950, Bulletin 962-C
Photo interpretation of the terrain along the southern part of the Alaska Highway
Hugh Miller Raup, Charles Storrow Denny
1950, Bulletin 963-D