Etach, Grotto, Hermon, Marblemount, Masardi, Sheepscot, Skykomish and Teneriffe are in areas of higher rainfall. Guardlake soils have thicker sola and have less acid substrata. Waiska soils occupy nearly level to sloping areas on glacial lake benches, stream terraces, and outwash plains near Lake Superior. Slope gradients range from 0 to 70 percent. Runoff is slow.
Permeability is very rapid.
Most of this soil is used for woodland. Sugar maple is the major tree species growing on this soil. Small areas are used for pasture. Northern Upper Peninsula of Michigan along Lake Superior and possibly northern Wisconsin. The series is of moderate extent.