Lakes, peaks, and prairies : discovering the United States-Canadian border / by Thomas O'Neill ; photographed by Michael S. Yamashita ; prepared by the Special Publications Division, National Geographic Society. - O'Neill, Thomas, 1951- (National Geographic Society, 1984)
Includes index.
Keywords: United States -- Boundaries -- Canada.; Canada -- Boundaries -- United States.; United States -- Description and travel.; Canada -- Description and travel.