Near Hauser in Kootenai County, Idaho — The American West (Mountains)
Purcell Trench
Photographed By Barry Swackhamer, May 7, 2018
1. Purcell Trench Marker
Rocks and boulders transported here by glacial ice backed up Lake Coeur d'Alene. Then a gradually warming climate let an outlet from Lake Pend d'Oreille (sic) discharge past here -- sometimes with catastrophic results. As ice receded, Kootenai River also flowed past here before lower channels in British Columbia no longer were blocked by a glacial barrier. In those days, this was Columbia River's main channel.
Erected by Idaho Department of Transportation. (Marker Number 256.)
Topics and series. This historical marker is listed in this topic list: Natural Features. In addition, it is included in the Idaho State Historical Society series list.
Location. 47° 44.35′ N, 117° 2.004′ W. Marker is near Hauser, Idaho, in Kootenai County. Marker is on State Highway 53 near North Beck Road, on the left when traveling west. Touch for map. Marker is in this post office area: Post Falls ID 83854, United States of America. Touch for directions.
Other nearby markers. At least 1 other marker is within 5 miles of this marker, measured as the crow flies. Treaty Rock (approx. 4.2 miles away).
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Photographed By Barry Swackhamer, May 7, 2018
2. Purcell Trench Marker
Credits. This page was last revised on August 20, 2018. It was originally submitted on August 19, 2018, by Barry Swackhamer of Brentwood, California. This page has been viewed 634 times since then and 94 times this year. Photos: 1, 2. submitted on August 19, 2018, by Barry Swackhamer of Brentwood, California.
