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Geology of anthracite in the western part of the Shamokin quadrangle, Northumberland County, Pennsylvania
Shamokin quadrangle, Northumberland County, Pennsylvania, geology of anthracite in the western part
2 maps : color ; 77 x 44 cm. and 76 x 44 cm., on sheet 99 x 117 cm., folded in envelope 30 x 24 cm. + 1 sheet (104 x 117 cm.)
by Harold H. Arndt, Walter Danilchik, and Gordon H. Wood, Jr. ; Department of the Interior, United States Geological Survey.
"Base map by U.S. Geological Survey and Corps of Engineers, U.S. Army. Topography from aerial photographs by stereophotogrammetric methods. Revised and field checked by U.S. Geological Survey, 1952."
"Topographic contour interval is 20 feet."
"Structure contour interval is 100 feet."
Relief shown by contours and spot heights.
"Prepared in 1958 from data supplied by the Reading Anthracite Co. and the Susquehanna Collieries Co. with modifications by the U.S. Geological Survey."
"Structure contour map of the Buck Mountain coal bed."--Title of 2nd map.
Sheet 1 includes : 2 col. quadrangle maps and 2 index maps.
Sheet 2 includes ; text with bibliography, composite graphic sections, index map showing location of graphic sections, and 5 cross sections.