Hillcone Steamship Company
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The Hillcone Steamship Company was a United States based steamship company that operated from 1929 to 1970. It was based in San Francisco, California and was owned by businessmen Joseph J. Coney and Stanley Hiller, Sr.[1] Ships it is known to have owned include the USS William Isom (ID-1555), which it had acquired by 1931 when it was renamed the Edwin B. De Golia.[2] It also bought the USS Sangamon after she was decommissioned on October 24, 1945.[3][4]