Ryder, Ronald A., authorNatural Resources Center, Colorado State University, publisher2015-07-282015-07-281970http://hdl.handle.net/10217/1845Submitted to Office of Water Resources Research, U.S. Department of the Interior.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.WaterfowlText