Experimental duck hunting seasons, San Luis valley, Colorado, 1963 - 1970 - Hopper, Richard M.; The Wildlife Management Institute (Washington : The Wildlife Society, 1975)
This study is cooperatively sponsorede by the state of Colorado depa rtment of natural resources division of wildlife and the U.S. fish and wildlife service.
Includes bibliographical references.
Keywords: Duck shooting; San Luis Valley (Colo. and N. M.)