@article {41883,
	title = {Cheviot Mine Project supplemental information. Volume I. Part B. underground mining at Cheviot site. Appendix 6. Environmental effects comparison between surface and underground mining at the  Cheviot Project Site},
	year = {1999},
	institution = {Millennium EMS Solutions Ltd.},
	address = {Edmonton, AB},
	author = {Brocke, Larry}
}
