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In 1984, the U.S. Geological Survey (USGS) conducted a reconnaissance cruise L9-84-CP aboard the R/V S.P. LEE along the northern Ratak Ridge, Marshall Islands (Fig. 1). Preliminary geochemical results from the cruise show that ferromanganese crusts (Mn crusts) on the submarine slopes of seamounts, and islands may have potential for...

The purpose of the manual is to describe the installation, operation, and maintenance of Geostationary Operational Environmental Satellite (GOES) data collection platforms (DCP's) and associated equipment. This manual is not a substitute for DCP manufacturers ' manuals but is additional material that describes the application of data-collection platforms in the...

Continuous water level records from 146 wells and water level measurements from an additional 1,100 wells in Georgia during 1985 provide the basic data for this report. Hydrographs for selected wells illustrate the effects that changes in recharge and discharge have had on the groundwater reservoirs in the State. Daily...

The water resources of Picatinny Arsenal in northern New Jersey are described using the results of 1,129 analyses of groundwater , including 522 determinations of inorganic constituents and 607 determinations of organic constituents. Water samples were collected from 56 wells on the site from 1958 through 1985. Of these wells,...

Hydrologic data obtained from a comprehensive study of the Roan Creek and Parachute Creek basins are presented in this report. The purpose of this study was to inventory and appraise the predevelopment hydrologic conditions in these basins. The study was conducted from October 1975 through September 1981 and was one...

As of January 1, 1986, the surface-water data-collection network in Texas operated by the U.S. Geological Survey included 386 streamflow, 87 reservoir-contents, 33 stage, 10 crest-stage partial-record, 8 periodic discharge through range, 38 flood-hydrograph partial-record, 11 flood-profile partial-record , 36 low-flow partial-record 2 tide-level, 45 daily chemical-quality, 23 continuous-recording water-quality,...

The Butte quadrangle, in the Northern Rocky Mountains of southwestern Montana, has had a long, productive, and colorful mining history. Butte, the city from which the quadrangle takes its name, is located in the most famous mining district of the quadrangle. This district, the Butte or Summit Valley district, has...

Physical and chemical data for the Sacramento River at Rio Vista , California, for the period of January to May, 1983 are presented in this report. Measurements include specific conductance, alkalinity, suspended particulate matter, and the dissolved inorganic nutrients; nitrite, nitrate plus nitrite, ammonium, dissolved silica, and ortho-phosphate. Numerical results...

Physical and chemical data for the Sacramento River at Rio Vista , California, for the period of November 1983 through November 1984 are presented in this report. Measurements include specific conductance, alkalinity, suspended particulate matter, and the dissolved inorganic nutrients: nitrite, nitrate + nitrite, ammonium, dissolved silica, and ortho-phosphate. Numerical...

The basal sandstone aquifer is believed to underlie most of Tennessee west of the Valley and Ridge Province. It is a Cambrian sandstone that overlies the granites of the Precambrian basement complex. The basal sandstone is a poorly known resource defined only by 14 data points (wells) for the entire...

The Salton Sea Scientific Drilling Project has culminated in a 10,564-ft deep test well, State 2-14 well, in the Imperial Valley of southern California. A comprehensive scientific program of drilling, coring, and downhole measurements, which was conducted for about 5 months, has obtained much scientific information concerning the physical and...

This report presents hydrologic data used in the Southern Sand Hills hydrogeology study, which encompasses an area of approximately 4,330 square miles in west-central Nebraska. These data include summary logs of 64 test holes drilled in or adjacent to the study area. Water level data for 240 wells are included....

Information on major new water wells in B razor! a, Fort Bend, and Waller Counties was compiled by the U.S. Geological Survey from 1980 through 1984. This report presents the results of the hydro!ogic data collection on new largecapacity and other selected wells, including well location and completion data, drillers'...

Information on major new water wells in Chambers, Liberty, and Montgomery Counties was compiled by the U.S. Geological Survey from 1980 through 1984. This report presents the results of the hydrologic data collection on new largecapacity and other selected wells, including well location and completion data, drillers' logs of the...

A study of the Truckee and Carson Rivers was begun in October 1978 to assess the cause and effect relations between human and natural actions, and the quality of water at different times and places along the rivers. This report deals with the compilation of basic hydrologic data and the...

The annual summary of water records activities in Colorado is presented for fiscal year 1986. 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...

The U.S. Geological Survey, Water Resources Division, conducts three major types of activities in Kentucky in order to provide hydrologic information and understanding needed for the best management of Kentucky 's and the Nation 's water resources. These activities are: (1) Data collection and dissemination; (2) Water-resources appraisals (interpretive studies);...

The U.S. Geologic Survey conducts water-resources investigations and hydrologic data collection in all states to provide the data and understanding needed for optimum use and management of the nation 's surface water and groundwater. This is achieved through jointly funded programs with state, county, municipal, and other Federal agencies. The...

The Ohio District of the Water Resources Division, U.S. Geological Survey, provides information on Ohio 's water resources for the overall benefit of the State and the Nation. An integral part of the Survey 's mission is to conduct investigations of the Nation 's land, mineral, and water resources, and...