Biology and Conservation of Owls of the Northern Hemisphere. Second International Symposium February 5-9, 1997. Winnipeg, Manitoba, Canada. James R. Duncan, David H. Johnson, Thomas H. Nicholls.

Biology and Conservation of Owls of the Northern Hemisphere. Second International Symposium February 5-9, 1997. Winnipeg, Manitoba, Canada

St. Paul, MN: North Central Research Station, Forest Service- U.S. Department of Agriculture, 1997. Paperback. 635pp. Quarto [27.5 cm] Illustrated wraps. Very good. The wraps show general light rubbing and scratching. There is a previous owner's name on the top edge of the first page. The pages are very clean. Item #36746

USDA Forest Service General Technical Report NC-190. The first symposium was held in 1987. Much had happened in owl conservation in between the two symposiums.

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