http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geologic map of the south half of the Shamokin quadrangle, Northumberland and Columbia Counties, Pennsylvania
1 map : color ; 58 x 90 cm. folded in envelope 30 x 24 cm.
by Harold H. Arndt, Gordon H. Wood, and Robert F. Schryver.
Relief shown by contours and spot heights.
Includes 2 col. cross sections and index map.
Miscellaneous geologic investigations ; Map I-734