Stripping-coal resources of the United States
Paul Averitt
1968, Bulletin 1252-C
Ektachrome and ektachrome infrared photography of the Twin Buttes area, Arizona
John Roberts Cooper
1968, Open-File Report 68-64
Feasibility study for an airborne geophysical survey of the Republic of Liberia
Randolph Wilson Bromery
1968, Open-File Report 68-22
A feasibility study for an airborne geophysical survey of the Republic of Liberia indicates that airborne magnetometer and airborne scintillation detector surveys would be useful 1) in providing support for the current geologic mapping program, 2) as a guide in locating concentrations of economic minerals, and 3) delimiting the extent...
Metallic mineral resources map of the McGrath Quadrangle, Alaska
1968, Open-File Report 68-48
No abstract available. ...
Lithologic logs of six exploratory holes (UCe-9, -10, -11, -12a, -13, and -14) drilled in alluvium in central Nevada
George Sutter Corchary
1968, Open-File Report 68-65
Test wells in the Post Area, White Sands Missile Range, Dona Ana County, New Mexico
G.C. Doty
1968, Open-File Report 68-88
Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska
1968, Open-File Report 68-43
No abstract available. ...
New and revised stratigraphic names in the Santa Rita Mountains of southeastern Arizona
Harold Drewes
1968, Bulletin 1274-C
Metallic mineral resources map of the Baird Mountains quadrangle, Alaska
Edward Huntington Cobb
1968, Open-File Report 68-40
Preliminary geologic map of the southwestern part of the Mountain City quadrangle, Elko County, Nevada
R.R. Coats
1968, Open-File Report 68-38
Preliminary geologic map of the Eagle B-1 and C-1 quadrangles, Alaska
Helen L. Foster, Terry C. Keith
1968, Open-File Report 68-103
Stratigraphy of the Wind River formation in south-central Wind River Basin, Wyoming
P.E. Soister
1968, Professional Paper 594-A
No abstract available....
Geologic map of the northern half of the Black Mountain quadrangle, Nye County, Nevada
C.L. Rogers, E. B. Ekren, D. C. Noble, J. E. Weir
1968, IMAP 545
Geology and mineral resources of the Barao de Cocais area, Minas Gerais, Brazil
G. C. Simmons
1968, Professional Paper 341-H
Correlation and nomenclature of some Triassic and Jurassic rocks in south-central Wyoming
G. N. Pipiringos
1968, Professional Paper 594-D
Preliminary geologic map of Ellipse II-11-2 and vicinity
N.J. Trask
1968, Open-File Report 68-271
Russellites, new genus, a problematical plant from the lower Permian of Texas
S.H. Mamay
1968, Professional Paper 593-I
Geologic map of the Wagon Wheel Gap fluorspar district, Colorado
T. A. Steven
1968, Open-File Report 68-259
Geology of the Marquette and Sands quadrangles, Marquette County, Michigan
J. E. Gair, R.E. Thaden
1968, Professional Paper 397
Availability of ground water in the Hickman quadrangle, Kentucky-Missouri-Tennessee
T. William Lambert
1968, Hydrologic Atlas 181
No abstract available....
Ground-water resources of the lower Merrimack River valley, south-central New Hampshire
James Montgomery Weigle
1968, Hydrologic Atlas 277
Redefinition of the terms Kingsport Formation and Mascot Dolomite and subdivisions of the upper part of the Knox Group in eastern Tennessee
Leonard Dorrean Harris
1968, Open-File Report 68-119
Upper part of the Knox Group has previously been divided into three formations; however, because of the lack of regionally recognizable boundaries, there has been a marked inconsistency as to the rocks assigned by different workers to the Longview Dolomite, Kingsport Formation and Mascot Dolomite. Regional stratigraphic studies have pointed...
Teiichispira, a new Early Ordovician gastropod genus
Ellis Leon Yochelson, Clive R. Jones
1968, Professional Paper 613-B
Geology and water resources of the Hibbing area, northeastern Minnesota
Gerald F. Lindholm
1968, Hydrologic Atlas 280
No abstract available....
Geologic map of the Hartford quadrangle, Ohio County, Kentucky
Gus H. Goudarzi
1968, Geologic Quadrangle 741