The Columbia Basin Project in Central Washington, United States, is the irrigation network that the Grand Coulee Dam makes possible. It is the largest water reclamation project in the United States, s
The Columbia Basin Irrigation Project
Drumheller Channels, 10 miles (16 km) south of Potholes Reservoir, are examples of channeled scablands
North Dam on Banks Lake with Feeder Canal
Drumheller Channels National Natural Landmark showcases the Drumheller Channels, which are the most significant example in the Columbia Plateau of basalt butte-and-basin Channeled Scablands. This Nati
Ice Age Floods Institute tour of the Drumheller Channels; note the two people in the foreground and the group in the background that provide perspective in the large-scale erosion here.