The St. Louis District's Dredge Potter ndi wotanganidwa kwambiri masiku ano m'malo osiyanasiyana kudera lonse la St. Louis District gawo la Mtsinje wa Mississippi kuchokera ku Saverton, Mo. mpaka Cairo, Ill.
Malo ake opangira mabwato, mabwato ang'onoang'ono, mabwato, ndi mapaipi amagwira ntchito maola 24 patsiku, masiku asanu ndi awiri pamlungu.
Akamakoka, zinthu zochotsedwa zimapopedwa kudzera papaipi ya pontoon kapena paipi yoyandama yokha, yomwe mwina imawoloka tchanelo, ndikuyikidwa kunja kwa njira yolowera.
Womangidwa mu 1932 pa nthawi ya Kukhumudwa Kwakukulu, Dredge Potter ndiye dredge yakale kwambiri ya Corps ndipo poyambilira idakhazikitsidwa ngati zombo zoyendetsedwa ndi nthunzi.
Masiku ano Potter ndi "dustpan dredge" wotchedwa Brigadier General Charles Lewis Potter yemwe anali mkulu wa Chigawo cha St. Louis kuyambira 1910 mpaka 1912, ndi Purezidenti wa Mississippi River Commission kuyambira 1920 mpaka 1928.