H.P. Eisenhuth
1968, Circular 581
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Publication Extents
Not all publications have extents, not all extents are completely accurateH.P. Eisenhuth
1968, Circular 585
Jesse William Whitlow
1968, Open-File Report 68-326
H.P. Eisenhuth
1968, Circular 579
This report lists the streamflow and reservoir stations in the Colorado River basin for which records have been or are to be published in reports of the Geological Survey for periods through September 30, 1967. It supersedes Geological Survey Circular 509....
H.P. Eisenhuth
1968, Circular 577
H.P. Eisenhuth
1968, Circular 584
H.P. Eisenhuth
1968, Circular 582
John Phillip Schafer
1968, Geologic Quadrangle 712
H. Edward Clifton
1968, Circular 587
Local concentrations of gold have been identified in surface sediments on the continental shelf off southern Oregon between Cape Arago and Cape Sebastian, a distance of about 40 miles. Concentrations of gold range from the lower limit of detection, 5 parts per billion, to almost 150 parts per billion. The largest...
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 637
No abstract available....
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 622
No abstract available....
Kendell A. Dickinson
1968, Open-File Report 68-74
J. M. Hoare, W. H. Condon
1968, IMAP 523
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 616
No abstract available....
Steven S. Oriel, Lucian B. Platt
1968, Open-File Report 68-205
J. Peter Trexler, Gordon H. Wood
1968, Geologic Quadrangle 699
No abstract available....
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 625
No abstract available....
Virgil A. Trent
1968, Open-File Report 68-273
No abstract available. ...
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 617
No abstract available....
Howard E. Simpson
1968, Geologic Quadrangle 756
1968, Open-File Report 68-59
No abstract available. ...
1968, Open-File Report 68-41
No abstract available. ...
Robert Sprague Jones
1968, Circular 603
The reported gold contents of meteorites range from 0.0003 to 8.74 parts per million. Gold is siderophilic, and the greatest amounts in meteorites are in the iron phases. Estimates ,of the gold content of the earth's crust are in the range of 0.001 to 0.006 parts per million....
Roy Clark Kepferle
1968, Geologic Quadrangle 740
Thomas P. Miller, Oscar J. Ferrians
1968, Circular 570