Circa 1978. Paperback. 195pp. Quarto [27 cm] Light brown wraps. Good. The title has been written in pen on the spine. There are numerous pieces of tape on the front wrap. There is also a previous owner's name in pen on the front wrap. The corners of the covers and pages are gently bumped. Former owner's name on the first page. One or two pages have minor markings. Item #36756
Cosponsored by: Colorado Chapter of The Wildlife Society, Colorado Audubon Council, Colorado Chapter of the Soil Conservation Society of America, Bureau of Land Management.