@article {33735,
	title = {Chip Lake heron survey, June 29, 1983},
	year = {1983},
	note = {cited, American white pelican, California gull, caspian tern, double-crested cormorant, great blue heron and ring-billed gull : colony surveys - Alberta 1998. Volume 1 - Report (with 1999 update)},
	institution = {Alberta Fish and Wildlife Division},
	address = {Edson},
	author = {MacCallum, B.}
}
