@article {28589,
	title = {Progress report on seventh year of raptor population and food ecology study at Rochester, Alberta},
	volume = {AFW-71-059},
	year = {1971},
	institution = {University of Wisconsin, Madison, Dept. of Wildlife Ecology},
	keywords = {great horned owl, red-tailed hawk, Richardson{\textquoteright}s ground squirrel, ruffed grouse, sharp-tailed grouse, snowshoe hare},
	author = {McInvaille, W. B. and Keith, L. B.}
}
