Coal investigations on the southwest margin of the Homer district, Kenai coal field, Alaska, in 1949
Edward Huntington Cobb
1950, Open-File Report 50-32
No abstract available....
Selected Russian papers on geochemical prospecting for ores
V.P. Sokoloff (translator), H. E. Hawkes
1950, Open-File Report 48-21
A transmission fluorimeter for use in the fluorimetric method of analysis for uranium
Mary H. Fletcher, Irving May, Morris Slavin
1950, Open-File Report 50-34
Records of wells on Rathdrum Prairie, Bonner and Kootenai Counties, Northern Idaho
Raymond L. Nace, Stuart Wesley Fader
1950, Open-File Report 51-19
Geologic maps of lead-zinc mines, Kokomo district, Summit County, Colorado
Albert Herbert Koschmann
1950, Open-File Report 50-19
An improved fluorimeter for the determination of uranium in fluoride melts
Mary H. Fletcher, Irving May
1950, Open-File Report 50-33
Geologic interpretation of seismic data, relocation Route 1 cut, Stations 25-36 Ballard Estate in Topsfield, Mass.
James E. May, Daniel Linehan
1950, Open-File Report 50-45
This investigation was undertaken to determine the surface and subsurface conditions between stations 25 and 36 of the proposed relocation of the Newburyport Turnpike, Route 1, Topsfield, Mass. Reconnaissance seismic work was performed at the site in September 1949. Because that work showed bedrock near the surface over an extensive...
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...
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....
Western Molybdenum Company mine, Chewelah district, Stevens County, Washington
John Roberts Cooper
1950, Open-File Report 50-20
The Western Molybdenum Company mine was opened many years ago to obtain copper. The only production was several cars of crude copper ore shipped during World War I. An unsuccessful attempt to produce molybdenum was made in 1939-1941.The deposit consists of steeply dipping, northeast-striking veins in monzonite and marble, carrying...
Geologic map of Murphy quadrangle, Tennessee-North Carolina
Philip Burke King, C. W. Hayes
1950, Open-File Report 50-2
Geologic maps of Crystal graphite mine, Beaverhead County, Montana
Frank C. Armstrong, Roy P. Full
1950, Open-File Report 50-26
Notes to accompany preliminary geologic map of Fairfax, Virginia and (part) Seneca, Virginia-Maryland quadrangles
Allan P. Bennison, Charles Milton
1950, Open-File Report 50-11
Surficial geologic map of parts of Billerica, Wilmington, and Lexington quadrangles, Massachusetts
Robert O. Castle
1950, Open-File Report 50-31
Two preliminary aeromagnetic maps covering Johnson and Marion Counties, Indiana
John R. Henderson
1950, Open-File Report 50-38
Geologic map of the Wyandotte quadrangle, northeastern Oklahoma and southwestern Missouri
Claude Ellsworth Siebenthal, R.D. Mesler
1950, Open-File Report 50-50
List of references pertaining to electrical well logging
R. M. Richardson
1950, Open-File Report 50-92
No abstract available....
Ten preliminary aeromagnetic maps covering Clark, Floyd, Hamilton, Hancock, Harrison, Jackson, Jefferson, Madison, Tipton, and Washington Counties, Indiana
John R. Henderson
1950, Open-File Report 50-37
Aeromagnetic-geologic maps of Cranberry Lake, Starke, and Childwood quadrangles and part of Russel quadrangle, New York
J. R. Balsley Jr.
1950, Open-File Report 50-28
Three preliminary aeromagnetic maps of eastern St. Louis County, Minnesota
J. L. Meuschke
1950, Open-File Report 50-48
Probable effects on ground-water resources from construction of the proposed Grand River cut-off channel west of Lansing, Mich.
John G. Ferris
1950, Open-File Report 50-72
This memorandum summarize information brought out in correspondence between the office of the District Engineer of the Milwaukee District, U.S. Corps of Engineers, and the District Office of the Ground Water Branch of the U.S. Geological Survey at Lansing, Mich., concerning the probable effects on the ground-water resources of the...
The upper Mississippi Valley zinc-lead district; In two parts: I General structural relations of the upper Mississippi Valley zinc-lead district. II. The ore deposits of the upper Mississippi Valley zinc-lead district
Allen V. Heyl Jr.
1950, Open-File Report 50-13
No abstract available....
Geologic reconnaissance in vicinity of water well 5 miles south of Gallup, McKinley County, New Mexico
H.A. Whitcomb
1950, Open-File Report 50-106
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....