TexasGeological Survey (U.S.) (cartographer)Texas Board of Water Engineers. (cartographer)1931-01-01"Coverage limited to area south of lat. N 31°07'30" and west of long. W 94°22'30" (Rockland quadrangle in 7.5' series); remainder is blank "unsurveyed area"."Relief shown by contours and spot heights.Topography by C.W. Goodlove.Surveyed in 1927-1928.Text and key to standard map symbols on verso.utlmaps:e56bc521-356b-419b-8390-e69091fcd712Englishhttps://creativecommons.org/publicdomain/mark/1.0/Texas Historical Topographic Maps44 x 39 cm.Topographic mapsTexas--MapsTexas, Zavalla quadrangle Dept. of the Interior, U.S. Geological Survey ; State of Texas Board of Water Engineers.MapsTopographic mapsCartographic