1) Columbus river 2) Divider of nebraska 3) Great Plains river 4) Impact crater on Mars 5) Iowa-Missouri river 6) Missouri branch 7) Missouri feeder 8) River in Missouri 9) Missouri river feeder 10) Missouri river tributary 11) Missouri tributary 12) Mountain under 1000 metres 13) Nebraska river 14) Nebraska waterway Found on https://www.crosswordclues.com/clue/platte