Digital data to support development of a pesticide management plan for the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota [electronic resource] / by Bryan D. Schaap ; prepared in cooperation with the U.S. Environmental Protection Agency.
Title from HTML title screen (viewed Sept. 14, 2004).
Bibliography
Includes bibliographical references.
Note
Based on maps published in 1982 at the 1:250,000 scale in "Geohydrology of the Standing Rock Indian Reservation, North and South Dakota," U.S. Geological Survey Hydrologic Investigations Atlas HA-644 by L.W. Howells.
Summary
Shows delineation of buried valleys; approximate western extent of glaciation; surficial geology and availability of shallow ground water resources.
