This 1:24,000-scale map shows an inventory of debris flows that were triggered above timberline by a thunderstorm in the central Front Range of Colorado. We have classified the debris flows into two categories based on the style of initiation processes in the debris-flow source areas: 1) soil slip, and 2) non-soil slip erosive processes. This map and associated digital data are part of a larger study of the debris-flow event, results of which we plan to present in a forthcoming paper.
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USGS Numbered Series
Map showing alpine debris flows triggered by a July 28, 1999 thunderstorm in the central Front Range of Colorado