Description
Item Description:Relief shown by spot heights.
Map on sheet 67 shows portion of Arizona.
Photoimagery rectified by optical scanning from color infrared aerial photographs taken December 15, 1979 through July 22, 1982 by the Dirección General de Geografía del Territorio Nacional (DGGTN), Mexico D.F., Mexico.
Each sheet includes quadrangle location map and diagr. of adjoining color image maps.
Cartographic material.
Physical Description:maps : color ; sheets 44 x 62 cm. or smaller.