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

184884 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 4394, results 109826 - 109850

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Willie takes a field trip; coloring book
Donald V. Arvin
1990, Open-File Report 90-125
This coloring book is an educational tool designed to instruct children on some of the field activities commonly associated with the collection of water resource data. Through the use of line drawings and brief descriptive text, young readers will follow little Willie and his Uncle Bill as they spend a...
Summary of biological investigations relating to surface-water quality in the Kentucky River basin, Kentucky
A.D. Bradfield, S. D. Porter
1990, Water-Resources Investigations Report 90-4051
The Kentucky River basin, an area of approximately 7,000 sq mi, is divided into five hydrologic units that drain parts of three physiographic regions. Data on aquatic biological resources were collected and reviewed to assess conditions in the major streams for which data were available. The North, Middle, and South...
Water resources data, North Carolina, water year 1989
B.C. Ragland, R.G. Barker, W.H. Eddins, A.J. Padyk, J.F. Rinehardt
1990, Water Data Report NC-89-1
Water resources data for the 1989 water year for North Carolina consists of records of stage, discharge and water quality of streams; stage and contents of lakes and reservoirs; and ground-water levels. This report contains discharge records for 178 gaging stations and stage and contents for 26 lakes and reservoirs;...
Geology of the Mahd Adh Dhahab District, Kingdom of Saudi Arabia
A.M. Afifi
1990, Open-File Report 90-315
Approximately 200 km2 around the Mahd adh Dhahab mine were mapped at 1:18,000 scale, with emphasis on establishing the volcanic stratigraphy. The Mahd Group, which rests over a basement of metamorphosed tonalite, is divided into the Lahuf formation and Tuwal formation, which are separated by an unconformity. The Lahuf is...
County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985
Richard B. Alexander, Richard A. Smith
1990, Open-File Report 90-130
Estimates of nitrogen and phosphorus fertilizer use were made for counties in the United States for the period 1945 to 1985. County fertilizer use estimates were obtained through the disaggregation of state-level fertilizer use in proportion to the amount of state fertilized acreage reported to exist in counties. Numerical values...