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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 1,801 records · Page 100Linked to original sources
USGS1978

Ground-water data on the Hudson River basin, New York

Ground water in the Hudson River basin occurs in unconsolidated deposits and consolidated rock. Sand and gravel units of the unconsolidated deposits, which occur principally in valley bottoms, form the best aquifers and commonly provide well yields of several hundred gallons per minute. Carbonate aquifers are the most productive consolidated rock units. Ground water in the Hudson River basin is generally hard and may contain appreciable amounts of iron, salts in solution, or sulfur locally. Basic data on the availability of ground water in the Hudson River drainage area are compiled in (1) a hydrogeologic map of the drainage basin; (2) a table of well depths, yields, concentrations of selected chemical constituents, and hardness of ground water, listed by county and aquifer type; (3) a short text describing the occurrence of ground water in the basin; and (4) a bibliography of ground-water reports pertinent to the area studied. (Woodard-USGS)

Open-File Report↗
USGS1979

Proceedings of the First membership conference of the National Water Data Exchange, May 9-11, 1978, Denver, Colorado

This report contains the proceedings of the first membership conference of the National Water Data Exchange (NAWDEX). The purpose of the conference was to acquaint participants in the NAWDEX program with the systems, data resources, and services available throughout the membership, to establish improved personal relationships within the membership, and to serve as a forum for the exchange of ideas and expertise on matters relating to improving the operation of NAWDEX and identifying the needs of the water-data community. Sixteen papers were presented at the conference which describe data systems of member organizations, needs of the data community, and programs of national interest. These papers are published in their entirety in this proceedings volume. Four working panels were also conducted dealing with (1) Program Administration, Management, and Coordination; (2) Recommended Standards for the Handling and Exchange of Water Data; (3) Water Data Indexing and Technical Systems Development; and (4) Request, Response and Service Activities. The reports and conclusions of these panels are included also. (Woodard-USGS)

Open-File Report↗
USGS1979

Water-resources data index for Osceola National Forest, Florida

The U.S. Geological Survey conducted an intensive investigation from December 1975 to December 1977 of the geohydrology of Osceola National Forest. The primary purpose of that investigation was to provide the geohydrological understanding needed to predict the impact of potential phosphate industry operations in the forest on the natural hydrologic system. The investigation involved test drilling, implementation of a hydrologic monitoring network, water-quality sampling, comprehensive aquifer tests, and literature study. The numerous data obtained from the field investigations, laboratory analyses, and published and unpublished sources were published in summary form in an interpretive report (Miller and others, 1978, Impact of potential phosphate mining on the hydrology of Osceola National Forest, Florida: U.S. Geological Survey Water-Resources Investigations 78-6, 159 p.). This report is an index to the type, source, location, and availability of the data used in the interpretive investigation. The report indexes the following water-resources data: geological, geophysical, ground water, surface water, quality of water, meteorological, climatological, aquifer tests, maps, photographs, elevations, and reference publications. The report also describes the manner of storage and retrieval of the data.

Florida↗
USGS1981

January 1981 water levels, and data related to water-level changes, western and south-central Kansas

This report provides hydrologic data related to water-level measurements in observation wells in western and south-central Kansas during January 1981. Annual water-level measurements are made by personnel from the Division of Water Resources, Kansas State Board of Agriculture, and from the U.S. Geological Survey . State-agency support for this cooperative program is provided by the Kansas Geological Survey. Water-level measurements are made in mid-winter of each year, mostly in January, to minimize the effect of seasonal pumping. However, a few water-level measurements that are made in mid-winter of some years may reflect either the effects of recent pumping by the observation well or by nearby wells, or the effects of barometric-pressure changes. Thus, a significant change in water-levels for a particular well during a 1-year period may represent only a temporary condition, and any indication of a developing trend should be based on a comparison of changes that occur over a period of several years. Hydrologic data in this report relate water-level changes from: (1) A "base-reference year" ( predevelopment year), (2) a year of abnormally high rainfall and minimum pumpage (1966 or 1974) , and (3) each of seven consecutive years of measurement (1975-81). The "base-reference year" is designated as 1940 for the southwestern area, 1944 for the south-central area, and 1950 for the northwestern and west-central areas (fig. 1). Water levels for the "base-reference year" are established by measurements made during that year and by interpretation of maps showing water-level altitudes. Depth to bedrock, used in computing saturated thickness of water-bearing deposits, are based on driller' s logs, reported depths of wells, and interpretation of maps showing the altitude of the bedrock surface.

Kansas↗
USGS1981

The Sea Data 651-4 data logger

This paper describes a digital data logger used as the primary controller and data collection device for the U.S. Geological Survey Sediment Monitoring Tripod Program. The tripods are deployed at sea in water depths up to 100 m for periods of 3 to 6 months. The system measures bottom current speed and direction, pressure, temperature, light transmission, and photographs the bottom. This report is intended to provide a description of the unit and its operation.

Open-File Report↗
USGS1981

Hydrogeologic data from selected wells and test holes in Suffolk County, Long Island, New York, 1972-80

The population of Suffolk County, New York, an area of 922 square miles, has increased rapidly, from less than 200,000 in 1940 to about 1.3 million in 1978. Ground-water pumpage has increased from an average of 42 million gallons per day in 1950 to about 257 million gallons per day in 1978. To help supply the hydrologic information needed to anticipate and prevent shortages, this report presents hydrogeologic and well-completion data on over 700 wells and test holes.

New York↗
USGS1983

Hydrographs of water levels in observation wells in Idaho, 1971-82

For the period 1971-82, this report presents hydrographs of water levels in observation wells in the Statewide monitoring network operated by the U.S. Geological Survey in cooperation with the Idaho Department of Water Reources. The data are conveniently made available to supplement an interpretive report that describes Statewide water-level trends and their causes, which will be published separately.

Open-File Report↗
USGS1983

Analytical results for 544 water samples collected in the Attean Quartz Monzonite in the vicinity of Jackman, Maine

Water samples were collected in the vicinity of Jackman, Maine as a part of the study of the relationship of dissolved constituents in water to the sediments subjacent to the water. Each sample was analyzed for specific conductance, alkalinity, acidity, pH, fluoride, chloride, sulfate, phosphate, nitrate, sodium, potassium, calcium, magnesium, and silica. Trace elements determined were copper, zinc, molybdenum, lead, iron, manganese, arsenic, cobalt, nickel, and strontium. The longitude and latitude of each sample location and a sample site map are included in the report as well as a table of the analytical results.

Open-File Report↗
USGS1985

Index of current water-resources activities in Ohio, 1985

This report summarizes the U. S. Geological Survey 's Water Resources Division 's program in Ohio in 1985. The work of the Ohio District is carried out through the District office in Columbus and a field office in New Philadelphia. Collection of basic data needed for continuing determination and evaluation of the quantity, quality, and use of Ohio 's water resources is the responsibility of the District 's Hydrologic Surveillance Section. The Hydrologic Investigations Section conducts analytical and interpretive water-resource appraisals describing the occurrence, availability, and the physical, chemical, and biological characteristics of surface and groundwater. In addition to introductory material describing the structure of the Ohio District, information is presented on current projects, sites at which basic surface- and groundwater data are collected , and reports of Ohio 's water resources published by the U.S. Geological Survey and cooperating agencies. (USGS)

Open-File Report↗
USGS1988

Summary of water resources data for the Girdwood-Alyeska Area, Alaska

Surface water, groundwater and water quality data for the Girdwood-Alyeska area are presented in graphs, tables, and maps. Surface water data include streamflow measurements and water quality analyses from three streams. Groundwater data include descriptions of 106 wells, with lithologic and water quality data from selected wells. The report also contains a map depicting the geology of the area. (USGS)

Open-File Report↗
USGS1987

Water use in Wisconsin, 1985

An inventory of water use in Wisconsin is essential for appraising current and future water-resource needs of the State. The U.S. Geological Survey has collected and published national water-use data every 5 years since 1950. Sources of data in these reports have not always been well documented, and the methods for collecting and reporting the data were not the same for all States. Some planning and management needs of the State are not met by water-use information that is available only every fifth year. The U.S. Geological Survey entered into a cooperative program with the Wisconsin Department of Natural Resources (WDNR) in 1978. The purpose of the program was to collect and compile reliable annual water-use data and to develop computerized water-use data systems at the State and national levels. Data in standardized format for different categories of water use are available in the State Water Use Data System. The data base is updated annually or when more current water-use information is available. Information about amounts of water withdrawn, source of water, how the water was used, and how much water was returned is available to those involved in establishing water-resource policy and to those managing water resources. The data contained in this report are a summary of the 1985 data-collection effort.

Wisconsin↗
USGS1989

Summary of water-resources activities of the U.S. Geological Survey in Colorado– Fiscal year 1989

The biennial summary of water resources activities in Colorado is presented for fiscal year 1989. The report includes an introduction of these activities and names of the management personnel to whom information requests may be addressed, a summary of the U.S. Geological Survey mission and of the Water Resources Division mission, and a discussion of the water resources in Colorado in fiscal year 1989, including data collection on surface water and groundwater. All current Colorado hydrologic investigations are listed--their problems, objectives, approaches, progress, and plans for fiscal year 1989. A list of current cooperators, for fiscal year 1989 and a list of reports published or released during fiscal years 1987, 1988, and 1989 also are given. (USGS)

Colorado↗
USGS1994

Water-resources activities of the U.S. Geological Survey in Minnesota, 1993 water year

Water-resources activities of the Minnesota District, Water Resources Division, U.S. Geological Survey are a continued response to the need for information on the quantity and quality of water resources. U.S. Geological Survey water-resource activities in Minnesota are done in cooperation with State, local, and other Federal agencies. Some activities are short in duration (1-5 years), while others are continuous. This report is a summary of water-resource activities in the Minnesota District for the 1993 water year. A list of reports published during the 1993 water year and additional sources of U.S. Geological Survey publications also are included.

Minnesota↗
USGS1995

National Water-Quality Assessment Program, western Lake Michigan drainages: Summaries of liaison committee meeting, Green Bay, Wisconsin, March 28-29, 1995

The Western Lake Michigan Drainages (WMIC) study unit, under investigation since 1991, drains 20,000 square miles (mi2) in eastern Wisconsin and Upper Michigan (fig. 1). The major water-quality issues in the WMIC study unit are: (1) nonpoint-source contamination of surface and ground water by agricultural chemicals, (2) contamination in bottom sediments of rivers and harbors by toxic substances, including polychlorinated biphenyls (PCB's), other synthetic organic compounds, and trace elements, (3) nutrient enrichment of rivers and lakes resulting from nonpoint- and point-source discharges, and (4) acidification and mercury contamination of lakes in poorly buffered watersheds in the northwestern part of the study unit. A study-unit liaison committee, which includes representatives of Federal, State, university, and private and citizen organizations, has met annually since 1991 to review plans and results and guide the investigators toward policy-relevant efforts. The results of research conducted in the WMIC study unit by U.S. Geological Survey (USGS) and non-USGS researchers were presented at the liaison committee meeting held in Green Bay, Wis., on March 28-29, 1995. This report contains summaries of the oral presentations given at the WMIC 1995 liaison committee meeting.

Michigan, Wisconsin↗
USGS1999

How to build a model illustrating sea-floor spreading and subduction

This report describes how to build a model of the outer 300 km (180 miles) of the Earth that can be used to develop a better understanding of the principal features of plate tectonics, including sea-floor spreading, the pattern of magnetic stripes frozen into the sea floor, transform faulting, thrust faulting, subduction, and volcanism. In addition to a paper copy of this report, the materials required are a cardboard shoebox, glue, scissors, straight edge, and safety razor blade.

Open-File Report↗
USGS1999

Assessment of landslide hazards in Kaluanui and Maakua gulches, Oahu, Hawaii, following the 9 May 1999 Sacred Falls landslide

One of the injured hikers later died of injuries received in the landslide. Governor Ben Cayetano of Hawaii ordered that the park be closed due to concern about continuing landslide hazard near the falls. Subsequently, Bill Meyer, District Chief for the U.S. Geological Survey (USGS) Water Resources Division in Honolulu contacted Tim Johns, Chair of the Board of Land and Natural Resources of the Hawaii Department of Land and Natural Resources (DLNR) and offered assistance in assessing slope stability in the park. Mr. Johns accepted the offer, and two landslide specialists from the USGS Geologic Hazards Team in Golden Colorado were sent to the site. On Friday, 14 May 1999, we visited the Sacred Falls landslide site with Glenn Bauer, Ed Sakoda, and Gary Moniz of DLNR. The ground investigation involved inspecting the impact area, estimating the volume of the deposit, and gathering data to help reconstruct the event. On Monday, 17 May 1999, we conducted an aerial reconnaissance of Kaluanui Gulch (Sacred Falls State Park) and Maakua Gulch in a commercial helicopter provided by DLNR. We inspected the source and path of movement of the Sacred Falls landslide of 9 May and reconnoitered the full length of both valleys to get an overview of ongoing landslide hazards there. This report gives our observations and conclusions about the Sacred Falls landslide, broadly assesses the ongoing hazard in the Kaluanui and Maakua Gulches, and suggests methods for more detailed assessment of landslide hazards here and along other trails in state parks on Oahu. Observations and conclusions in this report are based on a very brief investigation and thus are preliminary in nature.

Hawaii↗
USGS2007

Geologic and hydrogeologic information for a geodatabase for the Brazos River Alluvium Aquifer, Bosque County to Fort Bend County, Texas

During July-October 2006, the U.S. Geological Survey (USGS), in cooperation with the Texas Water Development Board (TWDB), developed geologic and hydrogeologic information for a geodatabase for use in development of a Groundwater Availability Model (GAM) of the Brazos River alluvium aquifer along the Brazos River from Bosque County to Fort Bend County, Texas. The report provides geologic and hydrogeologic information for a study area that encompasses the Brazos River alluvium aquifer, a 1/2-mile-wide lateral buffer surrounding the aquifer, and the rocks immediately underlying the aquifer. The geodatabase involves use of a thematic approach to create layers of feature data using a geographic information system. Feature classes represent the various types of data that are keyed to spatial location and related to one another within the geodatabase. The 1/2-mile-wide buffer surrounding the aquifer was applied to include data from wells constructed primarily in alluvium but outside the boundary of the Brazos River alluvium aquifer. A 1/2- by 1/2-mile grid was generated on the study area to facilitate uniform distribution of data for eventual input into the GAM. Data were compiled primarily from drillers and borehole geophysical logs from government agencies and universities, hydrogeologic sections and maps from published reports, and agency files. The geodatabase contains 450 points with geologic data and 280 points with hydrogeologic data.

Open-File Report↗

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