Trask and Cummins basins
for your overheads
Here's Trask, Chrysten
The first value is the slope in degrees, truncated to an integer.
The second value is the cell count.
stuff from 2000:
Oregon Coast Range Creeks: Deton, Larson, Sullivan
From top to bottom: Larson Creek, Sullivan Creek, and the frequently-misspelled
Deton Creek. The background is a corner of the Allegany quadrangle.
Download binned hypsometry:
This should be what you need to calculate erosion rates, Paul.
And here's Drift Creek:
Download binned Drift Creek hypsometry