United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service and the Arkansas Agricultural Experiment Station
United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service; Arkansas Agricultural Experiment Station; and United States Department of the Interior, National Park Service
edited by L. Janice Campbell ; contributing authors Jeffrey H. Altschul ... [and others] for Soil Conservation Service under contract with National Park Service, Southwest Regional Office
Date
1981
Series
Report of investigations (New World Research, Inc.) ; no. 32