USGS/Cascades Volcano Observatory, Vancouver, Washington

Mudflows, Debris Flows, and Lahars
Maps and Graphics, etc.

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Mount St. Helens, Washington

Map [44K,InlineGIF]: Mount St. Helens area showing May 18, 1980 devastation -- From: Tilling, et.al., 1990
Schematic [13K,GIF]: stratigraphic section in Harry Gardner Park. -- L, lithic-rich layer; P, pumice-rich layer. -- Modified from: Doukas, 1990, USGS Bulletin 1859
Schematic [25K,GIF]: Generalized stratigraphic section of outcrop at Muddy River-Pine Creek Fan (near Lahar Viewpoint). -- Modified from: Doukas, 1990, USGS Bulletin 1859

Mount Rainier, Washington

Map [20K,InlineGIF]: Extent of the Osceola and Electron Mudflows -- Modified from: Crandell, et.al., 1979
Map [23K,GIF]: Map showing areas inundated by mudflows from Mount Rainier in the last 5,600 years -- Modified from: Sisson, 1995, USGS Open-File Report 95-642

Glacier Peak, Washington

Map [21K,InlineGIF]: Areas inundated by debris flows from Glacier Peak eruptions -- From: Mastin and Waitt, 1995, USGS Open-File Report 95-413

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04/18/08, Lyn Topinka

Mudflows, Debris Flows, and Lahars Maps and Graphics, etc.

Mudflows, Debris Flows, and Lahars
Maps and Graphics, etc.