Before revision: Project Vamp was a U.S. Navy project for the U.S. Hydrographic Office, which consisted of a special coastal survey along the Virginia and Massachusetts shores during 1954 and 195
After revision: Project Vamp was a U.S. Navy project for the U.S. Hydrographic Office, which consisted of a special coastal survey along the Virginia and Massachusetts shores during 1955.4 and 195