Occurrences of gold and other metals in the Upper Chulitna district, Alaska
C. C. Hawley, A. L. Clark
1968, Circular 564
The determination of gold in geologic materials by neutron-activation analysis using fire assay for the radiochemical separations
Jack James Rowe, Frederick Otto Simon
1968, Circular 599
Transcontinental geophysical survey (35°-39° N): Bouguer gravity map from 74° to 87° W longitude
the U.S. Air Force Aeronautical Chart and Information Center
1968, IMAP 535-B
No abstract available....
Transcontinental geophysical survey (35°-39° N): Bouguer gravity map from 100° to 112° W longitude
the U.S. Air Force Aeronautical Chart and Information Center
1968, IMAP 533-B
No abstract available....
Transcontinental geophysical survey (35°-39° N): Bouguer gravity map from 112° W longitude to the coast of California
the U.S. Air Force Aeronautical Chart and Information Center
1968, IMAP 532-B
No abstract available....
Transcontinental geophysical survey (35°-39° N): Bouguer gravity map from 87° to 100° W longitude
the U.S. Air Force Aeronautical Chart and Information Center
1968, IMAP 534-B
No abstract available....
Principal gold-producing districts of the United States
Albert Herbert Koschmann, M.H. Bergendahl
1968, Professional Paper 610
Reconnaissance geologic map of part of the Milan quadrangle, New Hampshire-Maine, and the Percy quadrangle, New Hampshire
Daniel J. Milton
1968, Open-File Report 68-183
Paleogene biostratigraphy of nonmarine rocks in King County, Washington
Jack A. Wolfe
1968, Professional Paper 571
Brachiopods of the Bois Blanc Formation in New York
A. J. Boucot, J.G. Johnson
1968, Professional Paper 584-B
Preliminary materials map, Blandford quadrangle, Massachusetts
George William Holmes
1968, Open-File Report 68-130
No abstract available....
Map showing recently active breaks along the San Andreas and related faults between the northern Gabilan Range and Cholame Valley, California
Robert D. Brown Jr.
1968, Open-File Report 68-28
Semilla Sandstone, a new member of the Mancos Shale in the southeastern part of the San Juan Basin, New Mexico
C. H. Dane, Erle G. Kauffman, William Aubrey Cobban
1968, Bulletin 1254-F
Preliminary materials map, Cheshire quadrangle, Massachusetts
George William Holmes
1968, Open-File Report 68-131
No abstract available....
Water resources of Grant and Hot Spring Counties, Arkansas
Henry N. Halberg, Charles T. Bryant, Marion S. Hines
1968, Water Supply Paper 1857
In Grant and Hot Spring Counties the Ouachita, Saline, and Caddo Rivers yield large quantities of soft, good-quality water. Small streams in southeastern Hot Spring County and some of the small streams in the Ouachita Mountains have relatively high base flow; in Grant County small streams yield little water during...
Preliminary geologic map of the Lamont Quadrangle, Carbon County, Wyoming
Mitchell W. Reynolds
1968, Open-File Report 68-228
No abstract available. ...
Reconnaissance geologic map of the Ochoco Reservoir quadrangle, Crook County, Oregon
A. C. Waters, R.H. Vaughan
1968, IMAP 541
Geologic map of the Ezel quadrangle, Morgan and Menifee Counties, Kentucky
G. N. Pipiringos, S.C. Bergman, Virgil A. Trent
1968, Geologic Quadrangle 721
Geological maps of anthracite-bearing rocks in the west-central part of the southern anthracite field, Pennsylvania, eastern area
Gordon H. Wood Jr., Peter Trexler, Thomas M. Kehn
1968, IMAP 528
A descriptive catalog of selected aerial photographs of geologic features in the United States
Charles Storrow Denny, C.R. Warren, D.H. Dow, W.J. Dale
1968, Professional Paper 590
Aerial infrared reconnaissance of the Steamboat Springs area, Nevada
Robert M. Moxham, Gordon W. Greene
1968, Open-File Report 69-176
Geologic map of the Frankfort East quadrangle, Franklin and Woodford Counties, Kentucky
John S. Pomeroy
1968, Geologic Quadrangle 707
Surficial geologic map of the Danielson quadrangle, Windham County, Connecticut
Allan D. Randall, Fred Pessl
1968, Geologic Quadrangle 660
Aerial infrared surveys at The Geysers geothermal steam field, California
Robert M. Moxham
1968, Open-File Report 68-191
No abstract available....
Geologic map of the Calvert City quadrangle, Livingston and Marshall Counties, Kentucky
Dewey Harold Amos, Warren Irvin Finch
1968, Geologic Quadrangle 731