http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
30 pages : maps (1 folded color) ; 23 cm.
by M. W. Beck, Howard William Migbee and R. M. Marshall.
The Cushing Library/Chapman Texas Collection copy is part of the Floyd & Louise Chapman Texas & Borderlands Collection.
At head of title: United States Department of Agriculture.
In cooperation with the Texas Agricultural Experiment Station.