Puget Sound Bridge and Dredging Company Dredging Company, the firm completed many major construction projects. Among these were: Lockheed Shipbuilding, Seattle WA Denton Record Chronicle: October 4, 1924 - p. 4 Puget Sound Bridge and Dredging Company Puget Sound Bridge and Dredging Company was a major shipbuilding and construction company, located in Seattle, Washington. The firm was established in 1898 on Elliott Bay in Puget Sound. The company was engaged in construction projects around the United States and built ships for the U.S. Navy at its shipyard on Harbor Island on Puget Sound during and after World War II. In 1959 the firm was purchased by
Puget Sound faults geologic province is the approximately 50 million year (Ma) old marine basalts of the Crescent Formation, part of the Siletzia terrane that underlies western Washington and Oregon. East of Puget Sound the basement of the Cascades province is various pre-Tertiary (older than 65 Ma) metamorphic rock. Somewhere between Puget Sound and Cascades foothills these two geological provinces come into contact. As the juxtaposition of various disparate tectonic structures in northwest Washington requires significant strike-slip movement, it is further expected that this contact will be a major fault. The northern end of the Crescent Formation (aka Metchosin Formation) has been identified