1. Map of the harbors of Puget Sound and Cowlitz Valley, Washington Territory : from the United States land surveys Yale Public content 1870. 2004-10-19T13:22:42Z. 2020-08-05T20:44:06Z. G.W. & C.B. Colton & Co. G.W. & C.B. Colton & Co. English. Public. Washington (State), Puget Sound, Cowlitz River Valley, Puget Sound (Wash.), and Cowlitz River Valley (Wash.).