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Aerial Gamma Ray and Magnetic Survey, Volume 2. Final Report: Hailey Quadrangle of Idaho

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Hailey quadrangle including a detailed geologic summary, interpretation report, standard deviation maps, pseudo-contour maps, interpretation maps, flight line and geologic base map, and individual corrected profiles.
Date: December 1979
Creator: EG & G GeoMetrics
open access

Statistical Analysis and Evaluation of Water-Quality Data for Selected Streams in the Coal Area of East-Central Montana

Description: From purpose and scope: The purpose of this report is to summarize and evaluate water-quality data acquired from streams within the study area from October 1975 through September 1981. This report updates data collected at 9 stations during the initial study and provides new data for 14 stations.
Date: December 1983
Creator: Lambing, John H.
Location: None
open access

Water Resources of the Fort Union Coal Region, East-Central Montana

Description: From purpose and scope: The purpose of this report is to describe the existing hydrologic and water-quality conditions of the shallow ground-water system above the Bearpaw Shale and to describe the surface-water resources in the Fort Union coal region of east-central Montana. The objective of this study was to provide premining data that would be useful for water-resources planning.
Date: December 1983
Creator: Slagle, Steven E.
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