This is a airborne reconnaissance report of the Williams Quadrangle in Arizona.

This is an airborne reconnaissance report on several quadrangles in Arizona, California, and Nevada.

Single record and averaged record data listings for the Kingman quadrangle in Arizona, California, and Nevada, taken during a reconnaissance survey.

Single record and averaged record data listings for the Williams quadrangle in Arizona taken during a reconnaissance survey.

Report describing the results of geochemical and stream sediment reconnaissance sampling in the Sandpoint Quadrangle, to look for uranium and trace elements, and to take other measurements.

Report describing the results of geochemical and stream sediment reconnaissance sampling in the Williams Quadrangle, to look for uranium and trace elements, and to take other measurements.

From abstract: This data release presents preliminary results of ground water, stream sediment, and stream water reconnaissance in the National Topographic Map Series (NTMS) Portland 10 x 20 quadrangle. Stream sediment and stream water samples were collected from small streams at 1094 sites for a nominal density of one site per 13 square kilometers (five square miles) in rural areas. Ground water samples were collected at 560 sites for a nominal density of one site per 26 square kilometers (ten square miles). Neutron activation analysis (NAA) results are given for uranium and 16 other elements in sediments, and for uranium and 9 other elements in ground water and surface water. Field measurements and observations are reported for each site. Analytical data and field measurements are presented in tables and maps. Statistical summaries of data and a brief description of results are given. A generalized geologic map and a summary of the geology of the area are included.

Data collected as part of a report on the Portland Maine NTMS area including laboratory data on well, spring, and stream waters and stream sediments as well as field data.

Single record and averaged record data listings for the Las Vegas quadrangle in California, Nevada, and Arizona taken during a reconnaissance survey.

Single record and averaged record data listings for the Prescott quadrangle in Arizona taken during a reconnaissance survey.

Supplementary data containing sediment analysis results to accompany a report on hydrogeochemical and stream sediment reconnaissance in the Williams Quadrangle, Arizona.

Appendices containing analyses of water, stream, and sediment samples to accompany a report on hydrogeochemical and stream sediment reconnaissance in Washington, Idaho, and Montana.

Supplementary data containing a geologic-tectonic map of the Portland Quadrangle, in addition to mineral occurrences, sample site locations, and elemental distribution data to accompany a report on hydrogeochemical and stream sediment reconnaissance in Maine and New Hampshire.

The following report is the second volume in a series of reports documenting airborne gamma-ray spectrometer and magnetometer survey results. The data on this report focuses on the Las Vegas quadrangle.

The following report is the second volume in a series of reports documenting airborne gamma-ray spectrometer and magnetometer survey results. The data on this report focuses on the Prescott quadrangle in Arizona.

The following report is the second volume in a series of reports documenting airborne gamma-ray spectrometer and magnetometer survey results. The data on this report focuses on the Kingman quadrangle.

First volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Marfa, Fort Stockton, Presidio, and Emory Peak quadrangles in Texas including documentation about data collection and analysis.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Marfa quadrangle including maps documenting geophysical and geochemical data, as well as magnetic, ancillary and radiometric data.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Presidio quadrangle including maps documenting geophysical and geochemical data, as well as magnetic, ancillary and radiometric data.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Fort Stockton quadrangle including maps documenting geophysical and geochemical data, as well as magnetic, ancillary and radiometric data.

This is the second volume presenting aerial gamma ray and magnetic survey data from the Denver quadrangle. This report contains data profiles, anomaly maps, flight path recovery map, and sample data.

This is the second volume presenting aerial gamma ray and magnetic survey data from the Pueblo quadrangle. This report contains data profiles, anomaly maps, flight path recovery map, and sample data.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Emory Peak quadrangle including maps documenting geophysical and geochemical data, as well as magnetic, ancillary and radiometric data.

The following report presents the data retrieved, a description of the equipment and methods used, and comments based on preliminary interpretations of the results from a radioactive survey taken in the Dixon Entrance Quadrangle in southeast Alaska.