http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Potentiometric surface of groundwater-level altitudes near the planned Highway 270 bypass, east of Hot Springs, Arkansas, July-August 2017
Potentiometric-surface map for the Ouachita Mountains aquifer, July-August 2017
1 online resource (1 map) : color + pamphlet (v, 13 pages).
by Anna M. Nottmeier and Phillip D. Hays; prepared in cooperation with the Arkansas Department of Transportation and the National Park Service.
Relief shown by shading, contours, spot heights, and gradient tints.
Includes bibliographical references in pamphlet (pages 12-13).