Skip to contentPreliminary chart of Drake's Bay California : from a trigonometric survey under the direction of A.D. Bache Superintendent of the Survey of the Coast of the United States / triangulation by A.F. Rodgers and G. Davidson, Assistants topography by J.S. Lawson and A.F. Rodgers Assists hydrography by the party under the command of Commander James Alden, U.S.N. Assist | Collections | The Huntington