Location Name: Plains of Abraham grid - PA

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

Site History:

Site blasted, scoured by lahars and buried by coarse pumice.

Landform:

Gentle slope (broad swale) with some variation due to drainage channels.

Geology:

Surface dominated by decomposing pumice

Hydrology:

Well-drained, with rills

Vegetation:

Very sparse herbs.

Climate:

Summer dry montane, heavy snow