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The Interregional Distribution of Agricultural
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absence of railroads agricultural commodities agricultural production American amount Annual Report approximately assumption average distance average weight Bulletin canals capita cars cents per ton-mile coal Column computation construction consumption corn cotton crude iron consumed decade distribution domestic pig economic growth estimate farm feasible region figure freight furnaces Gallman grain haul Historical Statistics 1960 History increase interregional inventory iron industry land linear programming locomotives loss in national miles Missouri River multiplied national income navigable North Atlantic region output Pennsylvania Philadelphia convention pig iron pork primary markets rail shipping point rate per ton-mile ratio River roads Rostow secondary markets sector shipments social saving SOURCES AND NOTES supply Table take-off tion tonnage track track-miles trade U.S. Congress United value added W. W. Rostow wagon haulage wagon rate wagon transportation water rates water shipping point water transportation waterways weight of rails wheat York