http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Potentiometric surface of the Sparta and Memphis aquifers in eastern Arkansas, April through July 1993
1 map ; 79 x 80 cm., on sheet 92 x 117 cm., folded in envelope 33 x 26 cm.
Includes text, bibliography, 2 tables, 8 diagrams, and 1 location-index map.
Water-resources investigations report ; 95-4000