Comments on: The Permanente Metals Corporation: Richmond No. 1 Yard https://www.coltoncompany.com/shipbldg/ussbldrs/wwii/merchantshipbuilders/permanentenumber1.htm Conference of Maritime Economists and Industrial Engineers Fri, 18 Oct 2024 11:54:10 +0000 hourly 1 https://wordpress.org/?v=6.7.1