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Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 1,711 records · Page 95Linked to original sources
USGS1995

Surface-water-temperature statistics for streams in New Jersey and vicinity, 1955-93

Monthly Statistical summaries of surface-water temperatures collected at 277 U.S. Geological Survey surface-water sites in New Jersey and adjoining states are tabulated. The study was conducted by the U.S. Geological Survey, in cooperation with the New Jersey Department of Environmental Protection, to provide temperature data to characterize the condition of streams in and near New Jersey. Of the 277 sites, 259 are in New Jersey, 10 in Pennsylvania, 6 in New York, and 2 in Delaware. The Pennsylvania, New York, and Delaware sites are included because conditions there reflect conditions in New Jersey streams. Most of the temperatures were measured during 1955-93. Measurements were made prior to 1955, but were included only if available in the computer files. Temperature data from 265 periodic, 37 continuous, and 18 daily temperature records were used to compile monthly statistics for each site. The summaries for periodic and daily records include the number of observations; the maximum, minimum, and median temperatures; and the 25th and 75th percentile temperatures. Summaries of continuous records include the maximum, minimum, and median temperatures.

Open-File Report↗
USGS1969

Stratified rocks of the Grand Canyon: Chapter B in The Colorado River region and John Wesley Powell (Professional Paper 669)

The record of the earth's history in the walls of the Grand Canyon has been deciphered through hard work by many people during the past 100 years. Much still remains unsolved. John Wesley Powell's contributions were of a pioneering type, though he was not the first to discuss the rocks of the Grand Canyon. Far more important than his own observations and deductions in the field of stratigraphic geology was his tremendous influence upon the work of his associates and his successors. This chapter traces the evolution of thought concerning the stratified rocks of the Grand Canyon and summarizes present concepts of stratigraphic history as recorded in the walls of the canyon. A brief summary of available data and conclusions on each of the principal sedimentary units is presented.

Colorado River↗
USGS2001

Water Resources Data, New Jersey, Water Year 2000. Volume 3. Water-Quality Data

Water-resources data for the 2000 water year for New Jersey are presented in three volumes, and consist of records of stage, discharage, and quality of streams; stage and contents of lakes and reservoirs; and levels and quality of ground water. Volume 3 contains a summary of surface and ground water hydrologic conditions for the 2000 water year, a listing of current water-resource projects in New Jersey, a bibliography of water-related reports, articles, and fact sheets for New Jersey completed by the Geological Survey in recent years, water-quality records of chemical analyses from 125 continuing-record surface-water stations, 62 miscellaneous surface-water sites, 73 ground-water sites, and records of daily statistics of temperature and other physical measurements from 45 continuous-recording stations. Locations of water-quality stations are shown in figures 18-20. Locations of miscellaneous water-quality sites are shown in figures 11 and 42-49. These data represent that part of the National Water Data System operated by the U.S. Geological Survey and cooperating Federal, State, and local agencies in New Jersey.

Water Data Report↗
USGS2000

Water Resources Data - New Jersey, Water Year 1999, Volume 3, Water-Quality Data

Water-resources data for the 1999 water year for New Jersey are presented in three volumes, and consists of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs; and water levels and water quality of ground water. Volume 3 contains a summary of surface and ground water hydrologic conditions for the 1999 water year, a listing of current water-resource projects in New Jersey, a bibliography of water-related reports, articles, and fact sheets for New Jersey completed by the Geological Survey in recent years, water-quality records of chemical analyses from 133 surface-water stations, 46 miscellaneous surface-water sites, 30 ground-water stations, 41 miscellaneous ground-water sites, and records of daily statistics of temperature and other physical measurements from 17 continuous-monitoring stations. Locations of water-quality stations are shown in figures 11 and 17-20. Locations of miscellaneous water-quality sites are shown in figures 29-32 and 34. These data represent the part of the National Water Data System operated by the U.S. Geological Survey and cooperating Federal, State, and local agencies in New Jersey.

Water Data Report↗
USGS1998

Low-flow characteristics and discharge profiles for selected streams in the Neuse River basin, North Carolina

An understanding of the magnitude and frequency of low-flow discharges is an important part of evaluating surface-water resources and planning for municipal and industrial economic expansion. Low-flow characteristics are summarized in this report for 50 continuous-record gaging stations and 113 partial-record measuring sites in the Neuse River Basin in North Carolina. Records of discharge collected through the 1996 water year were used in the analyses. Flow characteristics included in the summary are (1) average annual unit flow; (2) 7Q10 low-flow discharge, the minimum average discharge for a 7-consecutive-day period occurring, on average, once in 10 years; (3) 30Q2 low-flow discharge; (4) W7Q10 low-flow discharge, similar to 7Q10 discharge except that only flow during November through March is considered; and (5) 7Q2 low-flow discharge.

North Carolina↗
USGS1997

Exploration

This summary of international nonfuel mineral exploration activities for 1996 uses available data from literature, industry, and US Geological Survey (USGS) specialists. Data on exploration budgets by region and commodity are reported, significant mineral discoveries and exploration target areas are identified and government programs affecting the mineral exploration industry are discussed. Inferences and observations on minerals industry direction are drawn from these data.

Mining Engineering↗