compiled from maps of the Department of the Interior, Canada, and map of the state of Minnesota, prepared (1912) by U.S. Geological Survey. To accompany report of engineers relating to the investigation of the levels of Rainy Lake and other upper boundary waters ; S.S. Scovil, consulting engineer, Canada ; R.W. Crawford, Major, Corps of Engineers, U.S. Army ; engraved by the Government Public Printing and Stationary Department, Ottawa, Canada