File Rapid Survey Amecameca Valley, 1972 Oversize Folder 7 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco II
File Amecameca Survey Map #1 1972-Prahl Oversize Folder 7 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco II
File Amecameca Basin Survey Map #2-Area B Oversize Folder 7 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco II
File Supplementary Map #1 of Amecameca Basin Survey Map Area B Oversize Folder 7 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco II
File Amecameca Basin-Tentative Physiographic Zones 1972-Prahl Oversize Folder 7 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco II
File Chalco III In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings
File Chalco Map 1, 1969 Oversize Folder 8 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco III
File Chalco Map 2, 1969 Oversize Folder 8 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco III
File Chalco Map 3, 1969 Oversize Folder 8 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco III
File Chalco Map 4, 1969 Oversize Folder 8 In: Jeffrey R. Parsons papers, 1960-2013 (majority within 1966-1992) » Maps, 1960-1984 » Rolled Tracings » Chalco III