Map showing alpine debris flows triggered by a July 28, 1999 thunderstorm in the central Front Range of Colorado: Debris-flow initiation points

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Description On July 28, 1999, about 480 debris flows were triggered by an afternoon thunderstorm along the Continental Divide in Clear Creek and Summit counties in the central Front Range of Colorado. This cover shows the initiation locations of the debris flows. Jon
Originators Godt, Jonathan W. and Coe, Jeffrey A.
Publication U.S. Geological Survey Open-File Report 03-50

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Debris-flow initiation point

Label Definition
STYLE debris-flow initiation style