Photoimagery rectified by optical scanning from color infared aerial photographs taken Dec. 12-15, 1979, by the Direcciʹon General de Geografʹia del Territorio Nacional (DGGTN), Mexico, D.F., Mexico.
Photoimagery rectified by optical scanning from color infared aerial photographs taken Dec. 12-15, 1979, by the Direcciʹon General de Geografʹia del Territorio Nacional (DGGTN), Mexico, D.F., Mexico.