Grand Coulee Columbia Rivers pathway and onto the southern plateau creating an ice dam. This dam backed up the waters of the Columbia into Glacial Lake Columbia and later during the Missoula Floods forced those waters into eastern Washington, creating the Scablands. The river at Grand Coulee found no existing valley and thus forged its own pathway across the divide, creating the Upper Coulee. The plateau is not level, but is marked with wrinkles and upfolds of the basalt. The diverted waters of the Columbia, encountered the monoclinal flexure, a steep warping up of toward the northwest. Lake Columbia topped the ridge
Grand River Collegiate Institute Grand River Collegiate Institute Grand River Collegiate Institute is a public secondary school in Kitchener, Ontario. The school is located at 175 Indian Road. It is part of the Waterloo Region District School Board. Grand River's principal is currently Jim Woolley. Grand River's sports teams are known as the Renegades (commonly shortened to the "Rens"). As the fifth collegiate in Kitchener-Waterloo, Grand River Collegiate (GRCI) was built on Indian Road near the Grand River on Kitchener's east end. "Grand River" was chosen in favour of other names like Parkwood, Sand Hills, as the name for the new school. GRCI officially