Topographic map, Mount St. Helens, C.E. 1919 annotated with locations

Topographic map, Mount St. Helens, C.E. 1919 annotated with locations of volcanic deposits from ~275 to 12.8 ka.

Detailed Description

Topographic map, Mount St. Helens, C.E. 1919 annotated with locations of volcanic deposits from ~275 to 12.8 ka. Due to the cataclysmic eruption of May 18, 1980, many of the locations annotated on this map are not either covered or not longer visible.

Details

Image Dimensions: 1258 x 1598

Location Taken: US