Geologic map of the central part of the Batesville manganese district Independence and Izard Counties, Arkansas
J.A. Straczek, D.M. Kinney
1950, Miscellaneous Field Studies Map 1
Geologic maps of Crystal graphite mine, Beaverhead County, Montana
Frank C. Armstrong, Roy P. Full
1950, Open-File Report 50-26
Three preliminary aeromagnetic maps of eastern St. Louis County, Minnesota
J. L. Meuschke
1950, Open-File Report 50-48
Geologic maps of lead-zinc mines, Kokomo district, Summit County, Colorado
Albert Herbert Koschmann
1950, Open-File Report 50-19
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
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
Surficial geologic map of parts of Billerica, Wilmington, and Lexington quadrangles, Massachusetts
Robert O. Castle
1950, Open-File Report 50-31
Aeromagnetic and geologic maps of quadrangles in the Adirondack area
A. F. Buddington, B. F. Leonard
1950, Open-File Report 50-114
Geology of the Limestone Hills, Broadwater County, Montana
Edward Thompson Ruppel
1950, Open-File Report 50-14
The Limestone Hills, a natural topographic unit having an area of about 16 square miles, are situated a few miles west and southwest of Townsend, Broadwater County, Montana. They are composed of pre-Cambrian, Paleozoic, and Mesozoic sedimentary rocks i...
Photo-interpretation of vegetation along the southern part of the Alaska Highway; its use as an indicator of the kind of ground
Hugh Miller Raup, Charles Storrow Denny
1950, Open-File Report 50-5
Lead and zinc deposits of the Beetown area, Wisconsin
Allen Van Heyl Jr., Erwin J. Lyons, John J. Theiler
1950, Open-File Report 50-39
The Beetown area, in Grant County, Wisconsin, in the Northwestern part of the Upper Mississippi Valley zinc-lead district, lies in the western part of T. 4 N., R. 4 W., and the eastern part of T. 4 N., R. 5 W. The village of Beetown is at about its center.Recent...
Geology of the southern third of the Mullan and Pottsville quadrangles, Shoshone County, Idaho
S. W. Hobbs, R. E. Wallace, Allan Bingham Griggs
1950, Open-File Report 50-40
Gypsiferous deposits on Sheep Mountain, Alaska
Richard A. Eckhart
1950, Open-File Report 51-62
Gypsiferous deposits occur on the south side of Sheep fountain, 112 miles northeast of Anchorage via the Glenn Highway. Sheep Mountain is a high east trending, ridge, approximately 10 miles long and 3 miles wide. It is bordered on the west by Caribou Creek and on the east by Tahneta...
Geology and oil shale resources of the eastern side of the Piceance Creek Basin, Rio Blanco and Garfield counties, Colorado
Donald Cave Duncan, Carl Belser
1950, Open-File Report 50-12
Descriptive geology of Anchorage and vicinity, Alaska
Ernest Dobrovolny, Robert D. Miller
1950, Open-File Report 50-25
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...
Structural geology of the Terlingua quicksilver district, Texas
George Albert Thompson Jr.
1950, Open-File Report 50-9
Geologic mapping, supplemented by detailed investigations at the mines, has revealed new information about the geologic structure of the Terlingua quicksilver district, Texas. Attention is focused on the nature and origin of domes, grabens, and breccia pipes, structures that are unusually well developed in the area. The sedimentary rocks, of...
Correlation between test holes in the Centralia-Chehalis coal district, Washington
Parke Detweiler Snavely Jr.
1950, Open-File Report 50-24
Geology of a part of the Virginia City and Eldridge quadrangles, Montana; A summary report
Roger W. Swanson
1950, Open-File Report 51-4
Geology of the Dover magnetite district, New Jersey
P.K. Sims
1950, Open-File Report 50-15
This report has been prepared with two purposes in mind - to provide a better understanding of the magnetite deposits of the district and to present detailed petrologic and structural information that will aid in an understanding of the geology of the crystalline Highlands of Jew Jersey and adjacent states....
Metamorphism and the origin of the granitic rocks in the Northgate district, Colorado
Thomas August Steven
1950, Open-File Report 50-51
No abstract available....
Exploration of the Buckhorn Mica Pegmatite mine, Larimer County, Colorado
W. R. Thurston
1950, Open-File Report 50-22
Ground-water resources of Liberty County, Texas, with a section on Stream runoff
Walter H. Alexander Jr., S. D. Breeding
1950, Water Supply Paper 1079-A
Liberty County is in the Gulf Coastal Plain of southeastern Texas in the second tier of counties back from the Gulf. The geologic formations discussed in this report in upward sequence consist of the Oakville sandstone of Miocene age and the Lagarto clay of Miocene (?) age, the Willis sand...
Ground-water resources of Atascosa County, Texas
Raymond W. Sundstrom, C.R. Follett
1950, Water Supply Paper 1079-C
Atascosa County, Tex., is underlain by water-bearing sands of Tertiary age that furnish water for domestic and stock supplies throughout the county, for the public supply of all except one of the towns and cities in the county, for irrigation in several localities, for drilling oil wells in the central...