The Enlargement of The Cori is a private-owned irrigation structure located in Campbell, Wyoming, specifically in the Ranch in Sec 23 T51 R76 area. Completed in 2010 by designer Hugh Lowham, this earth dam on Fortification Creek stands at 27 feet tall and spans 235 feet in length. With a storage capacity of 49 acre-feet and a surface area of 3.64 acres, it serves multiple purposes including fire protection, stock water, and irrigation.

Despite its low hazard potential and fair condition assessment, The Cori is regulated by the Wyoming State Engineer's Office and undergoes regular inspections. The dam features an uncontrolled spillway with a width of 70 feet and an outlet gate for water release. With a moderate risk assessment rating, the structure has a drainage area of 1.46 square miles and can discharge up to 2370 cubic feet per second. Enthusiasts of water resources and climate will find the Enlargement of The Cori to be a fascinating example of human-made infrastructure that plays a crucial role in managing water resources for agricultural and environmental purposes in the region.