Location Name: Pumice Plain - PP

Parent: Mount St. Helens Permanent Vegetation Plots (del Moral) -

Elevation (meters):

Minimum:   1248

Maximum:   1306

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Site History:

within original blast zone; received deep pumice deposition.

Landform:

Modest slope

Geology:

Deep pumice deposits

Hydrology:

Well drained

Vegetation:

sparse herbaceous vegetation, slowly developing

Climate:

Summer dry montane, heavy snow