1. Southern part of Laguna Madre Maps Stanford University Public content Patton, R. S. (Raymond Stanton), 1882-1937. U.S. Coast and Geodetic Survey, R.S. Patton, director. "Soundings in feet at mean low water." "Dec. 1933." "33-12/20"--Lower left margin. "No. 1288... U.S. Coast and Geodetic Survey.