Biostratigraphy of the Phosphoria, Park City, and Shedhorn Formations, with a section on fish
E. L. Yochelson, D. H. Van Sickle
1968, Professional Paper 313-D
Atlantic Continental Shelf and Slope of the United States - Physiography
Elazar Uchupi
1968, Professional Paper 529-C
Crop type discrimination with color infrared photography; preliminary results in Douglas County, Kansas
David S. Simonett, William G. Brooner
1968, Open-File Report 71-260
Pingos in central Alaska
G.W. Holmes, D.M. Hopkins, H.L. Foster
1968, Bulletin 1241-H
Geology of the Johnson River area, Alaska
George William Holmes, Helen Laura Foster
1968, Bulletin 1249
Map of northern half of Wisconsin showing geologic data of Precambrian area
Carl E. Dutton, Reta E. Bradley
1968, Open-File Report 68-91
Geologic map of the Grand Valley quadrangle, Garfield County, Colorado
John R. Donnell, Warren E. Yeend
1968, Open-File Report 68-77
Correlation and nomenclature of some Triassic and Jurassic rocks in south-central Wyoming
G. N. Pipiringos
1968, Professional Paper 594-D
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
Preliminary geologic map of the southwestern part of the Mountain City quadrangle, Elko County, Nevada
R.R. Coats
1968, Open-File Report 68-38
United States earthquakes, 1966
Carl A. Von Hake, William K. Cloud
1968, Open-File Report 84-966
United States earthquakes, 1928-1935
U.S. Coast and Geodetic Survey
1968, Open-File Report 84-928
Rates of slope degradation as determined from botanical evidence, White Mountains, California
Valmore C. LaMarche Jr.
1968, Professional Paper 352-I
New and revised stratigraphic names in the Santa Rita Mountains of southeastern Arizona
Harold Drewes
1968, Bulletin 1274-C
Ektachrome and ektachrome infrared photography of the Twin Buttes area, Arizona
John Roberts Cooper
1968, Open-File Report 68-64
Metallic mineral resources map of the McGrath Quadrangle, Alaska
1968, Open-File Report 68-48
No abstract available. ...
Stripping-coal resources of the United States
Paul Averitt
1968, Bulletin 1252-C
Metallic mineral resources map of the Baird Mountains quadrangle, Alaska
Edward Huntington Cobb
1968, Open-File Report 68-40
Lower Jurassic (Pliensbachian and Toarcian) ammonites from eastern Oregon and California
R. W. Imlay
1968, Professional Paper 593-C
Gold distribution on the sea floor off the Klamath Mountains, California
George William Moore, Eli A. Silver
1968, Circular 605
Analyses of 82 samples collected from the surface of the continental shelf between the Oregon-California border and Eureka, Calif., indicate that the background gold content on this shelf is about 0.1 ppb (part per billion). Four anomalous tracts, which range in extent from 10 to 30 square kilometers, have gold...
Hydrology, activity, and heat flow of the Steamboat Springs thermal system, Washoe County, Nevada
D. E. White
1968, Professional Paper 458-C
Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska
1968, Open-File Report 68-43
No abstract available. ...
Belt series in the region around Snow Peak and Mallard Peak, Idaho
Anna Hietanen
1968, Professional Paper 344-E
No abstract available....
Reconnaissance of the water resources of the central Guanajibo Valley, Cabo Rojo, Puerto Rico
Robert B. Anders
1968, Open-File Report 68-2
Geology and iron deposits of the western Serra do Curral, Minas Gerais, Brazil
G. C. Simmons
1968, Professional Paper 341-G