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

164570 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 6222, results 155526 - 155550

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Geology of the Eureka pegmatite, Pennington County, South Dakota
Roy Eldon Roadifer
1954, Open-File Report 54-256
The Eureka Pegmatite, two miles southeast of Keystone, Pennington County, South Dakota, is a small but possibly valuable zoned body containing more than 85,000 tons of coarse-grained granite-pegmatite rock.The mica in the pegmatite is probably not of any great importance, but the potash feldspar and beryl may comprise a considerable...
Reconnaissance for radioactive deposits in east-central Alaska, 1949
Helmuth Wedow, M.G. White
1954, Circular 335
In the summer of 1949, several mines and prospects in the Fairbanks and Livengood quadrangles, east-central Alaska, were examined for the possible presence of radioactive materials. Also tested were metamorphic and sedimentary rocks of pre-Cambrian and Paleozoic age crossed by the Elliott Highway, which extends from Fox, near Fairbanks, northwestward...