Possible expanded shale resources near Yankton, South Dakota /

Bibliographic Details
Corporate Author: South Dakota Geological Survey
Other Authors: Lee, K. Y., Agnew, Allen F., 1918-2012
Format: Map
Published: [Vermillion, S.D.] : South Dakota Geological Survey, 1961.
Series:Mineral resource investigations (South Dakota Geological Survey) ; map no. 1.
Item Description:Relief shown by contours and spot heights.
Cartographic material.
Physical Description:1 map ; 39 x 41 cm.
Bibliography:Includes text by Allen F. Agnew, bibliographical references, location map, and 3 cross sections.