 by E. R. Kalmbach. Dept. of Interior Bulletin #411, May, 1934. Dr. Edwin Kalmbach isolated the bacteria and discovered the reasons for the mass die-off of wild ducks in the west during the 1930’s. It was a major breakthrough in wildfowl conservation and was a major factor in the formation of Ducks Unlimited. Dr. Kalmbach also designed the 1941-42 federal duck stamp featuring Ruddy Ducks. Softcover. Format: 6” x 9”. 82 pp. Condition: Very good. |
Russell Fink Gallery |