Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

184228 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 6387, results 159651 - 159675

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Silica sand deposits in the Monrovia area, Liberia
Sam Rosenblum, S.P. Srivastava
1970, Open-File Report 70-280
Thin surficial deposits of white silica sand occupy much of the flat coastal area of Liberia from Monrovia to Buchanan 100 km southeast; most of the sand is of good quality for glass manufacture. A lagoonal mode of origin is suggested for these essentially monomineralic deposits. Based on the average...
Mineral resources of parts of the Departments of Antioquia and Caldas, Zone II, Colombia
R.B. Hall, Tomas Feininger, L. Barrero, Rico H. Dario, Hector, A. Alvarez
1970, Open-File Report 70-148
The mineral resources of an area of 40,000 sq km, principally in the Department of Antioquia, but including small parts of the Departments of Caldas, C6rdoba, Risaralda, and Tolima, were investigated during the period 1964-68. The area is designated Zone II by the Colombian Inventario Minero Nacional(lMN). The geology of...
Analyses of rock and stream-sediment samples from the Sumdum A-3 Quadrangle, Alaska
Allen L. Clark, David A. Brew, Donald A. Grybeck, Raymond Wehr
1970, Open-File Report 70-71
Analytical data for 138 rock and 71 stream-sediment samples from the Sumdum A-3, 1:63,360 scale quadrangle are presented in this report, together with a statistical treatment of the data. The samples were collected in 1969 as part of the Heavy Metals Program of the U.S. Geological Survey.The most comprehensive discussion...
Interim report on worldwide historic surface faulting
Manuel G. Bonilla, Jane M. Buchanan
1970, Open-File Report 70-34
This interim report presents data on and interrelations between the parameters L (length of surface rupture), D (maximum surface displacement), and M (Richter magnitude of associated earthquake) for the main traces of historic surface faults that have been reported in the worldwide literature. Original descriptions of the individual fault-events published...