Description
Item Description:Relief shown by contours. Depths shown by isolines.
Accompanied by guide (25 pages : ill. ; 22 x 28 cm.).
Includes Plate 1: General geology, Houston-Galveston Area Council, Texas.
Includes Table 5: Summary of land and water resource units, HGAC, Texas.
Includes index map.
Series statement from guide.
Cartographic material.
Physical Description:4 maps : color ; on sheets 85 x 114 cm. or smaller + guide.
Bibliography:Includes bibliographical references.