@article {38132,
	title = {The bull trout vanishing from the prairie and parklands of western Alberta},
	volume = {Natural History Occasional Papers No. 15},
	year = {1991},
	note = {In: Proceedings of the Second Endangered Species and Prairie Conservation Workshop, G. L. Holroyd, G. Burns, H. C. Smith, eds. },
	institution = {Provincial Museum of Alberta },
	author = {Roberts, W. E.}
}
