From abstract: This data report presents preliminary results of ground water, stream sediment, and stream water reconnaissance in the National Topographic Map Series (NTMS) Williamsport 1° x 2° quadrangle.

Supplementary data containing tabulated elemental concentrations in sediment, stream water, and ground water samples to accompany a report on hydrogeochemical and stream sediment reconnaissance.

Final report documenting a high-sensitivity airborne radiometric and magnetic survey of the Baltimore, Washington, and Richmond quadrangles including background information, a description of methods, data reduction and analysis, and data presented in maps, tables, and graphical forms.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Baltimore quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Richmond quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.

Tables listing data distributions for single record and average record data for flight lines in the survey area.

Single-record reduced data listing for Richmond/Baltimore Survey area arranged by flight line. See pages 4-3 through 4-5 of report.

Single-record reduced data listing for Richmond/Baltimore Survey area arranged by flight line. See pages 4-3 through 4-5 of report.

Single-record reduced data listing for Richmond/Baltimore Survey area arranged by flight line. See pages 4-3 through 4-5 of report.

The following microfiche covers statistic analysis data for the Washington quadrangle as part of Appendix B microfiche to the parent document, Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles: Volume 1. Final Report.

The following microfiche covers statistic analysis data for the Richmond quadrangle as part of Appendix B microfiche to the parent document, Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles: Volume 1. Final Report.

The following information is the microfiche data statistical analysis listings for Baltimore quadrangle.This is Appendix B for the parent document, Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles: Volume 1. Final Report.

From purpose and scope: This report provides basic information on the ground-water resources of Chester County, Pennsylvania, which is an area of about 760 square miles (1970 meters) in southeastern Pennsylvania. It discusses the availability and quality of the water in the water-bearing units in the county and the relation of the ground water to surface water.

From introduction: This report is limited to the presentation and discussion of chemical, physical, and bacteriological data collected within Tulpehocken Creek basin before April 1975.

Report issued by the Bureau of Mines over studies on the reserves of coking coal from Allegheny County, Pennsylvania. The results of the investigations and the different coal beds sampled are presented. This report includes tables, and maps.

Report issued by the U.S. Bureau of Mines on the study of pumping at anthracite mines in Pennsylvania. The study was conducted in order to solve anthracite mine-water problems. The report includes maps, photographs, and illustrations.

From Introduction: "The purpose of this analysis was to investigate the use of a function of intake-manifold pressure, exhaust back pressure, intake manifold temperature, and engine speed in place of a venturi as a means of measuring engine air consumption and to determine if this function is suitable for automatic mixture control."

Technical paper issued by the Bureau of Mines over studies on metallurgical coke. As stated in the introduction, "in this paper the attempt is made to summarize the history of coke making in the United States, to indicate the development of different methods and the modern types of ovens, and to point out the composition and physical properties of the metallurgical cokes produced in this country" (p. 5). This paper includes tables, illustrations, photographs, and a map.