Foster Coulee cut off and the Columbia River then discharged through Moses Coulee. Foster Coulee has been studied as a potential pumped-storage hydroelectricity site. The coulee would be dammed and approximately 500 MW generation capacity installed, exploiting the c. difference in elevation between the new reservoir and the existing Banks Lake. Banks Lake is in turn created by pumping water uphill from the Columbia River at the Grand Coulee Dam. The Washington ground squirrel, a candidate for U.S. Endangered Species Act listing, inhabits Foster Coulee. Foster Coulee Foster Coulee is a coulee in Douglas County, Washington. Like the larger Moses Coulee nearby,
Grand Coulee Dam MWAK constructed Mason City in 1934. Mason city contained a hospital, post office, electricity and other amenities along with a population of 3,000. Three-bedroom houses in the city were rented for $32 a month. Of the two living areas, Engineer's City was considered to have the better housing. Several other living areas formed around the construction site in an area known as Shack Town, which did not have reliable access to electricity and the same amenities as the other towns. Incorporated in 1935, the city of Grand Coulee supported workers as well and is just west of the dam on