The following report analyzes the aerial gamma ray and magnetic data taken from the El Dorado quadrangle in southern Arkansas that was compiled in 1980. This report contains a detailed geologic summary, interpretation report, reduced scale copies of all maps and profiles, histograms, and statistical tables for the quadrangle.

The following report analyzes the aerial gamma ray and magnetic data taken from the Greenwood quadrangle in southeastern Arkansas that was compiled in 1980. This report contains a detailed geologic summary, interpretation report, reduced scale copies of all maps and profiles, histograms, and statistical tables for the quadrangle.

This report provides radiometric and magnetic data for the Harrison quadrangle of southern Missouri and northern Arkansas that was acquired and processed in May of 1980. Appendix A provides a detailed summary of data acquisition, processing, interpretation, and presentation methods; Appendix B contains a flight summary report for the quadrangle.

The following report analyzes the aerial gamma ray and magnetic data taken from the Memphis quadrangle in Arkansas, Missouri, and Tennessee that was compiled in 1980. This report contains a detailed geologic summary, interpretation report, reduced scale copies of all maps and profiles, histograms, and statistical tables for the quadrangle.

Average record data listings taken during aerial gamma-ray and magnetic surveys of the El Dorado quadrangle in Louisiana and Arkansas.

Single record data listings taken during aerial gamma-ray and magnetic surveys of the El Dorado quadrangle in Louisiana and Arkansas.

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Fort Smith quadrangle in Oklahoma and Arkansas.

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Fort Smith quadrangle in Oklahoma and Arkansas.

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Greenwood quadrangle in Mississippi, Arkansas, and Louisiana.

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Greenwood quadrangle in Mississippi, Arkansas, and Louisiana.

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Memphis quadrangle in Arkansas, Missouri, and Tennessee.

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Memphis quadrangle in Arkansas, Missouri, and Tennessee.

Final report documenting a high-sensitivity airborne gamma ray and magnetic survey of the Blytheville quadrangle including an analysis of the geology and interpretation of geophysical data.

These are the geological averaged record data listings for the Blytheville quadrangle, as part of its parent document Mississippi and Florida Airborne Survey, Final Report: Blytheville Quadrangle, Tennessee, Arkansas, Alabama, and Missouri.

These are the geological single record data listings for the Blytheville quadrangle, as part of its parent document Mississippi and Florida Airborne Survey, Final Report: Blytheville Quadrangle, Tennessee, Arkansas, Alabama, and Missouri.

Final report documenting a high-sensitivity airborne gamma ray and magnetic survey of the Fort Smith quadrangle including an analysis of the geology and interpretation of geophysical data.

Final report documenting a high-sensitivity airborne gamma ray and magnetic survey of the Helena quadrangle including an analysis of the geology and interpretation of geophysical data.

These are the geological single data record listings for the Helena quadrangle, as part of its parent document Mississippi and Florida Airborne Survey, Final Report: Helena Quadrangle, Arkansas, Mississippi and Tennessee.

These are the geological single record data listings for the Helena quadrangle, as part of its parent document Mississippi and Florida Airborne Survey, Final Report: Helena Quadrangle, Arkansas, Mississippi and Tennessee.

Final report documenting a high-sensitivity airborne gamma ray and magnetic survey of the Russellville quadrangle including an analysis of the geology and interpretation of geophysical data.

These are the geological averaged record data listings for the Russellville quadrangle, as part of its parent document Mississippi and Florida Airborne Survey, Final Report: Russellville Quadrangle, Arkansas.

These are the geological single record data listings for the Russellville quadrangle, as part of its parent document Mississippi and Florida Airborne Survey, Final Report: Russellville Quadrangle, Arkansas.