Evaluation of Fertilizer and Herbicide Applications on Two Colorado Bighorn Sheep Winter Ranges By George D. Bear Books / Paperback Nature › Animals Publisher: Colorado Division of Wildlife, January 1978 Price $23.79 Free Shipping Send to a friend Used - Good Good condition. Slightly dampstained. Owner's name on front cover. (conservation animals experiments science) $23.79 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.