http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydraulic design of the box-inlet drop spillway
1 online resource (iv, 40 pages) : illustrations, plans
[by Fred W. Blaisdell and Charles A. Donnelly].
Title from title screen (viewed on May 14, 2012).
Supersedes same title issued as U.S. Soil Conservation Service. SCS-TP-106.
Agriculture handbook (United States. Department of Agriculture) ; no. 301