The following report is the second volume discussing the detailed aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 1, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.

The following report is the second volume discussing the detailed aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 4, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.

This report is one part of the second volume containing data on quadrangles of Texas, Oklahoma, Arkansas and Louisiana. This volume contains the detailed geologic summary, interpretation report, standard deviation maps, pseudo-contour maps, interpretation map, flight line and geologic base map, individual corrected profiles, computer map unit histograms and statistical tables for the Texarkana quadrangle.

Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Big Spring National Topographic Map Sheet (NI 14-10). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.

Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Hobbs National Topographic Map Sheet (NI 13-12). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.

Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Perryton National Topographic Map Sheet (NJ 14-10). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings. -- check/adjust details

Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the San Angelo National Topographic Map Sheet (NH 14-1). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.

Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Sonora National Topographic Map Sheet (NH 14-4). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.

Report documenting results of analysis for airborne gamma radiation and total magnetic field survey for the Woodward National Topographic Map Sheet (NJ 14-11). It includes data calculations and profiled data readings with a general description of the area and corresponding data readings.

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Big Spring quadrangle in Texas.

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Big Spring quadrangle in Texas.

Log histogram for Challis 1° x 2° NTMS Areas, Idaho

Graphs for Challis 1° x 2° NTMS Areas, Idaho: Data Report

Graphs for Challis 1° x 2° NTMS Areas, Idaho: Data Report

The following data report presents results of ground water and stream sediment reconnaissance in the Challis quadrangle, Idaho, where 1428 sediment samples were collected.

Graphs for Challis 1° x 2° NTMS Areas, Idaho: Data Report

Graphs for Challis 1° x 2° NTMS Areas, Idaho: Data Report

Graphs made for Challis 1° x 2° NTMS Areas, Idaho: Data Report

Data gathered at ground water sites in the Challis quadrangle, including applicable water chemistry measurements (e.g., pH, conductivity, alkalinity), physical measurements (e.g., temperature, well description, scintillometer readings), and elemental analyses.

Tabulated data gathered at surface sediment and groundwater sites in the Challis quadrangle, including applicable reconnaissance measurements and elemental analyses.

Detailed descriptions of the data report for Challis quadrangle, including (1) sample collection and field measurements, (2) formats, abbreviations, and codes in the data tables, (3) graphs and maps, and (4) quality assurance programs for sample collection and analysis.

"This report presents engineering details, statistics, and individual borehole histories of the 27 holes drilled for this project." (from Introduction)

"This report presents engineering details, statistics, individual borehole histories, and geophysical logs of the four holes drilled in the Lemhi Pass, Montana/Idaho area." (from Introduction)

This following report discusses the studies and findings of the East Chaco Canyon drilling project of northwestern New Mexico. These studies took place between July and November of 1978.