http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Maps showing principal ground-water resources and recharge areas in Oklahoma
2 maps : color ; 91 x 126 cm. folded to 26 x 23 cm. in envelope, 33 x 26 cm.
compiled by Kenneth S. Johnson ; prepared in cooperation with Oklahoma Geological Survey.
Sheet 1 - unconsolidated alluvium and terrace deposits, sheet 2 - bedrock aquifers and recharge areas.
At head of title: Oklahoma State Department of Health.