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 4402, results 110026 - 110050

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
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...
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...
Ground Water Atlas of the United States: Segment 6, Alabama, Florida, Georgia, South Carolina
James A. Miller
1990, Hydrologic Atlas 730-G
The four States-Alabama, Florida, Georgia, and South Carolina-that comprise Segment 6 of this Atlas are located adjacent to the Atlantic Ocean or the Gulf of Mexico, or both. These States are drained by numerous rivers and streams, the largest being the Tombigbee, Alabama, Chattahoochee, Suwannee, St. Johns, Altamaha, and Savannah...
Geohydrology and water quality of Cenozoic and Mesozoic units in southeast Missouri
Thomas O. Mesko
1990, Hydrologic Atlas 719
The U.S. Geological Survey is conducting a regional water-resources investigation of the Gulf Coast Regional Aquifer System, which includes the Mississippi embayment aquifer system in the southeast lowlands of Missouri (Grubb, 1986). The regional study will describe and evaluate the significant aquifer systems of Tertiary and younger age in parts...