Description
Item Description:Relief shown by spot heights.
Photoimagery rectified by optical scanning from color infrared aerial photograph taken December 12, 1979, by the Dirección General de Geografía del Territorio National (DGGTN), Mexico D.F., Mexico.
Includes quadrangle location map and diagr. of adjoining color image maps.
Cartographic material.
Physical Description:maps : color ; 44 x 62 cm. or smaller.