U.S. National Oceanic and Atmospheric Administration, National Ocean Service.2010-02-152010-02-151990http://hdl.handle.net/1969.3/220221 map, 120 x 90 cm.This map includes depths measured in feet and is designed to promote safe navigation.mapsnavigational chartssoundingsU.S. Gulf Coast. Texas. Upper Galveston Bay. Houston Ship Channel: Dollar Point to Atkinson Island.Map