When you first hear about how 15,000 years ago, glacial Lake Missoula broke free of its ice dam and raced across the Mid-Columbia Basin ā some 500 cubic miles of water traveling at speeds of up to 80 miles an hour ā youāre tempted to say bullshit. Thatās what most scientists thought when J. Harlen Bretz first proposed his theory of a great āSpokane Floodā in the early 1920s. But 30 years later, after he and others collected more evidence, and after the advent of aerial photography made it possible to recognize giant ācurrent ripplesā in suspect landscapes, scientific opinion began its necessary shift. On a recent trip to the tri-cities, I spent time in the Horse Heaven Hills, south of Kennewick in order to see some of the evidence for ancient cataclysmic floods as laid out in Bruce Bjornstadās guidebook, On the Trail of the Ice Age Floods. Evidently, the Horse Heaven Hills form the defining southern rim of the Mid Columbia āBasinā and when the floods came, the only ...
a photographer's take on ART, SCIENCE & THEOLOGY in the Pacific Northwest