The habits and adaptation of the Oligocene saber tooth carnivore, Hoplophoneus
Jean Hough
1950, Professional Paper 221-H
Geology and paleontology of the Santa Maria district, California
W. P. Woodring, M. N. Bramlette
1950, Professional Paper 222
Stratigraphy, paleontology, and geologic history.-A basement' consisting of igneous rocks of the Jurassic(?) Franciscan formation and sediments of the Upper Jurassic Knoxville formation, and formations of Tertiary and Quaternary age are exposed in the Santa Maria district. The outcrop section, exclusive of the Franciscan, has a maximum thickness of about...
Geology and ore deposits of the Front Range, Colorado
T. S. Lovering, E. N. Goddard
1950, Professional Paper 223
Physical characteristics of commercial sheet muscovite in the southeastern United States
Richard H. Jahns, Forrest W. Lancaster
1950, Professional Paper 225
The molluscan fauna of the Alum Bluff group of Florida, Part IX, Index to chapters A-H
Julia Gardner
1950, Professional Paper 142-I
Geology of the Elkton area, Virginia
Philip B. King
1950, Professional Paper 230
Annual fur catch of the United States
Frank G. Ashbrook
1950, Wildlife Leaflet 315
Mica and beryl pegmatites in Idaho and Montana
W.C. Stoll
1950, Professional Paper 229
Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944
J.B. Hanley, E. W. Heinrich, L. R. Page
1950, Professional Paper 227
Geology and mineral deposits of the Cartersville district, Georgia
Thomas L. Kesler
1950, Professional Paper 224
Pre-Wisconsin soil in the Rocky Mountain region; a progress report
Charles B. Hunt, V.P. Sokoloff
1950, Professional Paper 221-G
Geology of the Fort Smith district, Arkansas
T. A. Hendricks, Bryan Parks
1950, Professional Paper 221-E
Growth series of ostracodes from the Permian of Texas
I. G. Sohn
1950, Professional Paper 221-C
Geology and geography of the Zion Park region, Utah and Arizona
Herbert E. Gregory
1950, Professional Paper 220
Configuration of the bedrock surface of the District of Columbia and vicinity
N. H. Darton
1950, Professional Paper 217
Guide to the classification of fishing gear in the Philippines
Agustin F. Umali
1950, Research Report 17
Larger Foraminifera from the Palau Islands
W. Storrs Cole
1950, Professional Paper 221-B
Cretaceous plants from southwestern Colorado
Roland W. Brown
1950, Professional Paper 221-D
Pleistocene shore lines in Florida and Georgia
F. Stearns MacNeil
1950, Professional Paper 221-F
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....
The sediments and physical environment of the Sagadahoc Bay tidal flat, Georgetown, Maine
Wilmot H. Bradley
1950, Open-File Report 50-29
This investigation of the sediments of the Sagadohoc Bay tidal flat was undertaken at the suggestion of the State Geologist of Maine, Dr. Joseph Thefethen, in the hope that the results might be helpful to the biologists of the Maine Department of Sear and Shore Fisheries in their studies of...
Some exploration possibilities at the New Almaden quicksilver mine, Santa Clara County, California
Edgar Herbert Bailey
1950, Open-File Report 50-27
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....
Geology of the Hobson area, central Montana
James David Vine, William James Hail Jr.
1950, Oil and Gas Investigation Map 108
No abstract available....
Map showing coal resources of Montana
John Xavier Combo, Clifford N. Holmes, H. Reed Christner
1950, Coal Map 2
No abstract available....