Gull populations and bird hazards to aircraft in the Niagara Falls, N.Y. area, September, 1988.

Davis, R.A. and R.E. Harris. 1988. Gull populations and bird hazards to aircraft in the Niagara Falls, N.Y. area, September, 1988. Unpublished report prepared for Browning-Ferris Industries, Inc. by LGL Limited, King City, Ontario. 33 pages. (draft)