Geological Survey (U.S.) & ProQuest (Firm). (1921). Water-Supply Paper 475. Surface water supply of the United States 1918 Part V. Hudson Bay and Upper Mississippi River basins. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Water-Supply Paper 475. Surface Water Supply of the United States 1918 Part V. Hudson Bay and Upper Mississippi River Basins. Washington: [publisher not identified], 1921.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Water-Supply Paper 475. Surface Water Supply of the United States 1918 Part V. Hudson Bay and Upper Mississippi River Basins. [publisher not identified], 1921.
Warning: These citations may not always be 100% accurate.