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

165626 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 4883, results 122051 - 122075

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Water-quality reconnaissance of Harding Creek, Lawrence County, Arkansas
James C. Petersen
1981, Open-File Report 81-1058
A study of Harding Creek conducted between April and October 1980 to assess the water quality of the creek indicates no serious water-quality problems. Eight water samples were collected during periods of low to moderate streamflow (less than 19 cubic feet per second). The water was hard to very hard...
Water-quality reconnaissance of Patton Lake, Jefferson County, Arkansas
James C. Petersen
1981, Open-File Report 81-806
Results of a study (summer of 1980) of pesticides, nutrients, and other water-quality characteristics of the water and bottom material of Patton Lake indicate that the lake is nutrient enriched and that several pesticides are present in the bottom material. The high pH (9.0 to 9.3) and large dissolved-oxygen concentrations...
Stream-sediment geochemical survey of the Bureau of Land Management's Arkansas Canyon Planning Unit in south-central (Canon City area) Colorado
Erick F. Weiland, Richard I. Grauch
1981, Open-File Report 81-673
A mineral assessment study was undertaken by Barringer Resources, Inc., Golden, Colorado, on behalf of the Bureau of Land Management covering the Arkansas Canyon Planning Unit in south-central Colorado near Canon City. A total of 700 stream-sediment samples were collected (Plate I) and subsequently analyzed by Barringer Resources....
The hydrothermal system in southern Grass Valley, Pershing County, Nevada
Alan H. Welch, M.L. Sorey, F. H. Olmsted
1981, Open-File Report 81-915
Southern Grass Valley is typical extensional basin in the Basin and Range province. Leach Hot Springs, in the southern part of the valley, represents the discharge end of an active hydrothermal flow system with an estimated deep aquifer temperature of 163-173C. This report discusses results of geologic, hydrologic, geophysical and...
Preliminary design study for a National Digital Seismograph Network
Jon Peterson, Charles R. Hutt
1981, Open-File Report 81-1046
Recently, the National Research Council published a report by the Panel on National, Regional, and Local Seismograph Networks of the Committee on Seismology in which the principal recommendation was for the establishment of a national digital seismograph network (NDSN). The Panel Report (Bolt, 1980) addresses both the need and the...
National Water Data Exchange (NAWDEX) System 2000 data retrieval manual
Owen O. Williams, William A. Knecht
1981, Open-File Report 81-419
The manual offers general instructions on the use of SYSTEM 2000 to retrieve any type of data, and specific instructions on how to retrieve data from the U.S. Geological Survey 's Water Data Sources Directory and Master Water Data Index Data Bases. The manual is divided into five major sections...