by A.A. Klingebiel ... [and others] ; in cooperation with U.S. Department of Agriculture, Soil Conservation Service and Forest Service, and U.S. Department of the Interior, U.S. Geological Survey and Bureau of Land Management
a joint project of the Bureau of Land Management, the University of Wisconsin-Extension, and the USDA Cooperative State Research, Education, and Extension Service
a joint project of the Bureau of Land Management, the University of Wisconsin-Extension, and the USDA Cooperative State Research, Education, and Extension Service