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

179319 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 7115, results 177851 - 177875

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Relations between local magnetic disturbances and the genesis of petroleum
George Ferdinand Becker
1909, Bulletin 401
No question in geology is more obscure than that of the origin of the numerous natural hydrocarbons commonly classified as asphalt, ozokerite, petroleum, and natural gas. Certain facts of occurrence and certain results of experiment are indeed established, but the interpretation to be placed upon them is so doubtful that...
Mercersburg-Chambersburg folio, Pennsylvania
George W. Stose
1909, Folios of the Geologic Atlas 170
The Mercersburg and Chambersburg Qquadrangles are located in the south-central part of Pennsylvania, between parallels 39° 45' and 40° and meridians 77° 30' and 78°, and contain about 458 square miles.  This area embraces the larger part of Fanklin County and a small part of Fulton County.  Its southern border...