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About this product
- DescriptionThe 1959 Hebgen Lake earthquake caused a massive landslide (Madison Slide) that dammed the Madison River and formed Earthquake Lake. The U.S. Army Corps of Engineers excavated a spillway through the Madison Slide to permit out-flow from Earthquake Lake. In June 1970, high streamflows on the Madison River severely eroded the spillway channel and damaged the roadway embankment along U.S. Highway 287 downstream from the Madison Slide. Investigations undertaken following the 1970 flood events concluded that substantial erosion through and downstream from the spillway could be expected for streamflows greater than 3,500 cubic feet per second (ft3/s). Accordingly, the owners of Hebgen Dam, upstream from Earthquake Lake, have tried to man-age releases from Hebgen Lake to prevent streamflows from exceeding 3,500 ft3/s measured at the U.S. Geological Survey (USGS) gaging station 0638800 Madison River at Kirby Ranch, near Cameron, Montana.
- Author(s)5u S Department of the Interior
- PublisherCreatespace Independent Publishing Platform
- Date of Publication23/07/2014
- FormatPaperback / softback
- SubjectEncyclopedias & General Reference
- Country of PublicationUnited States
- ImprintCreatespace Independent Publishing Platform
- Content Noteblack & white illustrations
- Weight150 g
- Width216 mm
- Height280 mm
- Spine3 mm
- Format DetailsTrade paperback (US),Unsewn / adhesive bound
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