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

165655 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 4134, results 103326 - 103350

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Maps showing trace-element geochemistry of the Sangre de Cristo Wilderness Study Area, south-central Colorado
David R. Zimbelman
1989, Miscellaneous Field Studies Map 1635-C
A trace-element geochemical study of the Sangre de Cristo Wilderness Study Area included the collection of 710 heavy-mineral-concentrate samples, 767 minus-80 mesh stream-sediment samples, and 145 rock samples.  All samples were analyzed for 31 elements by semiquantitative emission-spectrographic methods, and some stream-sediment and rock samples were also analyzed for selected...
Aeromagnetic maps of the Uinta and Piceance Basins and vicinity, Utah and Colorado
V. J. S. Grauch, Joseph L. Plesha
1989, Miscellaneous Field Studies Map 2008-C
In order to understand the evolution of sedimentary basins, it is important to understand their tectonic setting. In a U.S. Geological Survey (USGS) study of the Uinta and Piceance basins in Utah and Colorado, this understanding is approached through characterization of subsurface structure and lithology of a large region encompassing...
Structure contour maps on the base of Mississippian strata and the top of upper Cambrian strata, Springfield 1 degree by 2 degrees Quadrangle, Missouri
C.M. Seeger
1989, Miscellaneous Field Studies Map 1830-G
This publication is part of a folio of maps of the Springfield 10° × 20° quadrangle, Missouri, prepared under the Conterminous United States Mineral Assessment Program of the U.S. Geological Survey. Other publications in this folio to date include U.S. Geological Survey Miscellaneous Field Studies Maps MF-1830-A through F (Erickson...