1. Surveys by Hydrographic Office, from survey of Georges Bank and Shoal by Charles Wilkes in 1837 to July 1, 1924. with brief history of several of earlier surveying expeditions. Bookmark Corporate/Agency Authors: Hydrographic Office, Navy Department, and Navigation Bureau Publisher: Hydrographic Office Date: 1924 SuDoc number: N 6.1/a:Su 79