Aerial close-up panning shot of a river barge transporting goods on the Mississippi River

drone aerial 4k 24 fps mississippi mississippi river travel transportation american south the south natchez waterway riverboat louisiana state line louisiana purchase river trade barge traveling thoroughfare modern engineering fertile land farming historic watershed drainage system navigation flood control fauna fishing shipping supply line cost of goods trade transport of goods flatbottomed boat pusher system bulk items heavy items efficiency sheltered waterway raw materials rising costs inflation supply and demand inland transportation panning shot riverine systems closeup shot