1. Map showing potential sources of sand, gravel, and quarry rock, Port Townsend quadrangle, Washington [cartographic material] Yale Public content 1983. 2015-02-13T21:04:15Z. 2015-02-24T23:11:11Z. Dethier, David P. (David Putnam), 1950-. U.S. Geological Survey. English. Public. Washington (State) and Puget Sound Region.