Texas : 30 x 60 minute series (topographic) /
Geological Survey (U.S.)
Reston, Va. : Geological Survey,
1981-
Relief shown by contours and spot heights in meters.
Each sheet separately titled: 1:100 000-scale metric topographic map of Texas.
"30 x 60 minute quadrangle showing: contours and elevations in meters; highways, roads, and other manmade structures; water features; woodland areas; geographic names."
Includes "Conversion table," "Declination diagram," and index to adjoining maps.
Compiled from USGS 1:24 000 and 1:62 500-scale topographic maps ... Planimetry revised from aerial photographs ... and other source data. Revised information not field checked.
A few sheets only.
Aspermont (1994) -- Devils Draw (1994) -- Ozona (1994) -- Rocksprings (1993)