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The Channeled Scablands are a relatively barren and soil-free region of interconnected relict and dry flood channels, coulees and cataracts eroded into Palouse loess and the typically flat-lying basalt flows that remain after cataclysmic floods within the southeastern part of Washington state. [1][2] The Channeled Scablands were scoured by more ...
Location. south central Washington (state) Coordinates. 46°58′30″N 119°11′47″W / 46.97500°N 119.19639°W / 46.97500; -119.19639. Designated. 1986. Drumheller Channels National Natural Landmark showcases the Drumheller Channels, which are the most significant example in the Columbia Plateau of basalt butte-and-basin ...
Dry Falls — at the heart of Eastern Washington’s channeled scablands of dry, connected flood channels and deep ravines — is the only Washington or Oregon site on the new heritage sites list.
It was designated as a National Natural Landmark in 1966 because it contains the great ripples (often measuring 25 to 50 feet (7.6 to 15.2 m) high and 300 feet (91 m) long) that served as a strong supporting element for J Harlen Bretz's contention that Washington State's Channeled Scablands were formed by repeated cataclysmic floods over only ...
Dec. 30—On a map, the Channeled Scablands look like a couple of melting gray jellyfish draped across Eastern Washington. The jellyfish have fat and skinny tentacles that flow southwest from ...
Idaho, Washington, and Oregon. The Missoula floods (also known as the Spokane floods, the Bretz floods, or Bretz's floods) were cataclysmic glacial lake outburst floods that swept periodically across eastern Washington and down the Columbia River Gorge at the end of the last ice age. These floods were the result of periodic sudden ruptures of ...
Palouse Falls. Palouse Falls is a waterfall in the northwest United States on the Palouse River, about four miles (6 km) upstream of its confluence with the Snake River in southeast Washington. Within the 94-acre (38 ha) Palouse Falls State Park, the falls are 200 feet (61 m) in height, [ 2 ] and consist of an upper fall with a drop around ...
Columbia National Wildlife Refuge. Columbia National Wildlife Refuge is a scenic mixture of rugged cliffs, canyons, lakes, and sagebrush grasslands. Formed by fire, ice, floods, and volcanic tempest, carved by periods of extreme violence of natural forces, the refuge lies in the middle of the Drumheller Channeled Scablands of central Washington.