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

36999 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 799, results 19951 - 19975

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Water-resources investigations of the U.S. Geological Survey in Montana, October 1982 through September 1983
Robert S. Roberts (compiler)
1983, Open-File Report 83-260
The investigative efforts of the U.S. Geological Survey toward the water resources of Montana are described. Hydrologic information and knowledge of the water resources are gained annd disseminated principally by programs of (1) collecting hydrologic data on a continuing basis, (2) conducting water-resources appraisals of surface and ground water, (3)...
Directory of assistance centers of the National Water Data Exchange (NAWDEX)
Beverly M. Josefson, Cassandra D. Blackwell
1983, Open-File Report 83-262
The National Water Data Exchange (NAWDEX), managed by the U.S. Geological Survey, has established a network of Assistance Centers throughout the United States and Puerto Rico to assist users of water data in identifying and locating the data they need. This Directory provides the information needed to contact any of...
Sketches of a hammer-impact, spiked-base, shear-wave source
W.P. Hasbrouck
1983, Open-File Report 83-917
Generation of shear waves in shallow seismic investigations (those to depths usually less than 100 m) can be accomplished by horizontally striking with a hammer either the end of a wood plank or metal structure embedded at the ground surface. The dimensioned sketches of this report are of a steel,...