US Army Corps of Engineers St Louis District's Dredge Potter malitere n'izu gara aga site na St Louis District Service base ebe ọ malitere ọ bụ 90th dredging oge.
N'ịrụ ọrụ nke mpaghara ahụ nke idobe ọwa dị mita 300 n'obosara na mita 300 nke Osimiri Mississippi site na Saverton, Mo., ruo Cairo, Ill. ala osimiri.
Na mgbakwunye, St Louis District na-edobe ọwa igodo na ala 80 kilomita nke Osimiri Illinois yana ala 36 kilomita nke Osimiri Kaskaskia.
Ewubere na 1932 n'oge oke ịda mbà n'obi, Dredge Potter bụ dredge kacha ochie nke Corps ma butere ya dị ka ụgbọ mmiri na-ebugharị.
Ọkpụite nke taa bụ “uzuzu uzuzu dredge” aha ya bụ Brigadier General Charles Lewis Potter onye bụ onye ọchịagha mpaghara St. Louis site na 1910 ruo 1912, na Onye isi ala Mississippi River Commission site na 1920 ruo 1928.
Uzuzu uzuzu nke Potter na-egbutu swath dị mita 32 n'obosara n'akụkụ ala nke osimiri ahụ, ebe mgbapụta dredge na-ebubata sedimenti site na ọkpọkọ oriri wee banye na pipeline na-ese n'elu ka etinye ya na mpụga ọwa igodo.
Dredge Potter nwere ike ibugharị sedimenti cubic 4,500 kwa elekere.Oge gara aga, ndị otu dredger kwagara ihe karịrị 5.5M cubic yards nke sedimenti.
Oge a na-ahụkarị na mpaghara St. Louis na-amalite site na Julaị ruo Disemba mana ọ nwere ike ịgbanwe dabere na ọnọdụ osimiri, USACE kwuru.