Pengra, Robert M., 1926-, authorNatural Resource Ecology Laboratory, Colorado State University, publisher2015-07-282015-07-281972http://hdl.handle.net/10217/16054October 1972.On cover: Grassland Biome, Ecosystem analysis studies, U.S. International Biological Program.born digitaltechnical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Soil microbiology -- South Dakota -- Jackson CountyGrassland ecology -- South Dakota -- Jackson CountyBiodegradationText