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Drumheller Channels Landscape along the Channeled Scablands, Ice Age Floods National Geologic Trail

A wall of columnar basalts towering over a landscape of golden tall grass and scrubby sagebrush on an overcast morning, Drumheller Channels, Ice Age Flood National Geologic Trail
Rebecca Latson
Thursday, July 14, 2022

A National Natural Landmark, "the Drumheller Channels are the most spectacular example in the Columbia Plateau of basalt "butte-and-basin" channeled scablands. This is an erosional landscape characterized by hundreds of isolated, steep-sided hills surrounded by a braided network of (usually) dry stream channels. The landscape is the result of dramatic modification of the Columbia Plateau volcanic terrain by late Pleistocene catastrophic glacial outburst floods—the Missoula Floods. These floods occurred at a scale remaining unparalleled on earth, either in the geologic record or in historical account."

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The Essential RVing Guide

The Essential RVing Guide to the National Parks

The National Parks RVing Guide, aka the Essential RVing Guide To The National Parks, is the definitive guide for RVers seeking information on campgrounds in the National Park System where they can park their rigs. It's available for free for both iPhones and Android models.

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