ABSTRACT:
A table of Soil Conservation Service (SCS) curve numbers (CN) for computing runoff from Northern Great Plains watersheds was verified and documented. The CN, developed by SCS in Wyoming, were verified using watershed data from western South Dakota, southeastern Montana, and northeastern Wyoming. The CN are for antecedent moisture condition II, which is the normal soil water condition for this area, and are related to range site and hydrologic cover condition.
Footnotes
Clayton L. Hanson is an agricultural engineer with the Science and Education Administration—Agricultural Research, U.S. Department of Agriculture, 1175 South Orchard, Suite 116, Boise, Idaho 83705. Earl L. Neff is a hydraulic engineer with SEA—AR, USDA, P. O. Box 1109, Sidney, Montana 59270. John T. Doyle is state design engineer and Theodore L. Gilbert is a hydraulic engineer with the Soil Conservation Service, USDA, P. O. Box 2440, Casper, Wyoming 82601. This article is a contribution from the Northwest Watershed Research Center and the Northern Plains Soil and Water Research Center, SEA—AR, USDA, and Bureau of Land Management, U.S. Department of Interior, in cooperation with the Idaho Agricultural Experiment Station, Moscow.
- Copyright 1981 by the Soil and Water Conservation Society
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