Relief shown by contours and spot heights ; contour interval on land 10 ft. ; contour interval on river surface 1 ft.
"Topography by planetable surveys in 1959-1960."
Topography on damsites by J.L. Colbert and D.A. Conti.
Inset: location map.
Hollywood damsite, South Fork Trask River -- Keyhole Damsite, North Fork Trask River -- Clear Creek damsite, North Fork Trask River -- Bark Shanty damsite, North Fork Trask River -- French Pete Creek damsite, South Fork McKenzie River -- Frissell Creek damsite, McKenzie River