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activity agri Agricultural Interior American Manufacturing Belt Anglo-America Appalachians Atlantic Coastal Plain Basins and Plateaus Bonneville Dam boundaries Brasil cattle Central Valley City coastal area Coastal Plain Colorado Columbia Plateau COMISSÃO DE GEOGRAFIA corn Cotton Belt COVERED BY INSERT cultural dairy deposits District Dust Bowl economic Fall Line cities farms field fish Foscue fruits fuel minerals geographic regions Humid Subtropical Coast important industrial development INSERT MAP iron and steel irrigation Island land landscape logging and lumbering major metallic minerals mills mining natural environment natural gas North Pacific Coast Northeastern United northern note on Figure numerous pastures Piedmont Preço production Prof pulp and paper railroads ranching refineries region is considered resort centers Rio de Janeiro River Rocky Mountains salmon salt Santa SCALE OF MILES scenic settlement Sierra Nevada soils Southern California streams subregion terrain Texas timber types upland Upper Lakes region urban vegetables wheat winter