[781] Jeffersons River (spr. Dschessers'ns Riw'r), der westlichste der drei Quellenarme des Missouri River, entspringt auf den Rocky Mountains. im Oregon Territory (Nordamerika).
Brockhaus-1911: Pelly River · Platte River · Red River · Miami River · Minnesota River · Orange River Colony · Snake River · Swan River · White River · Rock River · Ruperts River · Saint Mary's River · Humboldt River · Black River · Canadian River · Cape Fear River · Back River · Big Black River · Big Horn River · Fall River · Flint River · Green River · Clarke's River · Croton River · East River
Herder-1854: Red River · Grand River
Meyers-1905: Copper River · Coppermine River · Connecticut River · Cape Fear River · Clinch River · Escambĭa River · Fall River · English River · Detroit River · East River · Canadian River · Bear River · Big Black River · Batavia River · Altemaha River · Back River · Black Warrior River · Calumet River · Black River · Big Blue River · Big Horn River