Geology of the northern Black Hills bentonite mining district
Sam H. Patterson
1955, Open-File Report 55-131
Extensive deposits of bentonite are present in the Cretaceous sedimentary rock strata cropping out on the northern flank of the Black Hills. These deposits have been the subject of a study by the U.S. Geological Survey as part of the program of the Department of the Interior for appraisal of...
Preliminary report on part of the Oat Hill quicksilver mine, Mayacmas district, Napa County, California
Philip Forsyth Fix
1955, Open-File Report 55-45
Oat Hill quicksilver mine, located in the Mayacmas district of northern California, and credited with having produced more than 160,000 flasks of quicksilver, was sampled cooperatively by the Buray of Mines and Geological Survey during 1944. 28 diamond drill holes totaling 8,120 feet were drilled by the Bureau of Mines...
Engineering geology of the southern half of the Mount Hayes A-5 quadrangle, Alaska
Reuben Kachadoorian, Troy Lewis Pewe
1955, Open-File Report 55-78
Geology of the Fourmile pegmatite area, Custer County, South Dakota
Jack Allison Redden
1955, Open-File Report 55-145
The Fournile pegmatite area covers 32 sq. mi. in the western part of the Custer pegmatite mining district, Custer County, South Dakota. This area has been one of the major sources of sheet mica in the United States, especially between 1906 and 1911, and it has been a significant source...
Index Map and Maps of Six Mines in the Little Rocky Mountains, Montana
Gerald Francis Loughlin
1955, Open-File Report 55-97
Cowboy tungsten property, Pine Grove Hills, Lyon County, Nevada
Montis Ruhl Klepper
1955, Open-File Report 55-84
Uranium in the Gas Hills area, Fremont and Natrona Counties, Wyoming
J. D. Love
1955, Open-File Report 55-98
Uranium minerals have been discovered in the Wind River formation of early Eocene age, strata of middle and late Eocene age, and the Thermopolis shale of early Cretaceous age in the Gas Hills area of central Wyoming. The localities of uranium mineralization were found independently by prospectors and by geologists...
Photogeologic procedures in geologic interpretation and mapping
Richard G. Ray
1955, Open-File Report 55-144
In the past few years increasing use has been made of aerial photographs for geologic interpretation and mapping within the U.S. Geological Survey. As a specialized technique in interpretation and mapping, however, photogeologic procedures were extensively used (1947-1953) in the Survey's geologic mapping of Naval Petroleum Reserve No. 4 in...
Glacial geology of the Taunton quadrangle, Massachusetts
Joseph H. Hartshorn
1955, Open-File Report 55-61
Geology of the Du Noir area, Fremont County, Wyoming
William Richard Keefer
1955, Open-File Report 55-81
The Du Noir area includes about 250 square miles in the northwestern part of the Wind River Basin, Fremont County, Wyoming. It is bounded on the south by the Wind River and Warm Spring Creek, which flow along the northeast flank of the Wind River Mountains, and on the north...
The natural channel of Brandywine Creek, Pennsylvania
M. G. Wolman
1955, Professional Paper 271
This study of the channel of Brandy wine Creek, Pennsylvania, consists of three parts. The first is an analysis of the changes which take place in the width, depth, velocity, slope of the water surface, suspended load, and roughness factor with changing discharge below the bankfull stage at each of...
Hardpan soils of the coastal plain of southern Maryland
C.C. Nikiforoff
1955, Professional Paper 267-B
Geology of the Brandywine area and origin of the upland of southern Maryland
J.T. Hack
1955, Professional Paper 267-A
Geology of the Quartz Creek pegmatite district, Gunnison County, Colorado
M.H. Staatz, A.F. Trites Jr.
1955, Professional Paper 265
Fossil birds from Manix Lake, California
Hildegarde Howard
1955, Professional Paper 264-J
A biofacies of Woodbine age in the southeastern Gulf Coast region
E.R. Applin
1955, Professional Paper 264-I
Studies of some early Tertiary red conglomerates of central Mexico
J.D. Edwards
1955, Professional Paper 264-H
A new species of Merychippus
J.P. Buwalda, G.E. Lewis
1955, Professional Paper 264-G
Data on Fountain Creek project, Colorado Springs, Colorado
Thad G. McLaughlin
1955, Open-File Report 55-103
Geology of the Deep River coal field, North Carolina
J.A. Reinemund
1955, Professional Paper 246
Foraminifera of the Lodo Formation, central California; Part 2, Calcareous foraminifera (Miliolidae and Lagenidae, part)
M.C. Israelsky
1955, Professional Paper 240-B
Foraminifera from the Arctic Slope of Alaska; Part 2, Jurassic foraminifera
Helen Tappan
1955, Professional Paper 236-B
Bikini and nearby atolls, Marshall Islands; physical oceanography in the Marshall Islands area
Han-Lee Mao, Kozo Yoshida
1955, Professional Paper 260-R
Floras of the Pocono formation and Price sandstone in parts of Pennsylvania, Maryland, West Virginia, and Virginia
C.B. Read
1955, Professional Paper 263
The effect of salinity on evaporation
G. E. Harbeck Jr.
1955, Professional Paper 272-A
