Paperback in very good condition, lightly bent corner. Produced in cooperation between the American Birding Association and the USDAFS. Supplement to Birding, Very good paperback, dog-eared corner. Produced in cooperation between the American Birding Association and the USDAFS. Supplement to Birding, Volume XXVI/2, 1994. Covers Alaska and the West Coast, The Rocky Mountains and Arizona, The Great Plains, Great Lakes and Northeast, The South and Puerto Rico.