Canyon de Chelly National Monuement (Ariz.)

Scope and Content Collection contains photogrammetric plans of towns, pueblos, archaeological sites, and buildings in New Mexico and Arizona. Collection also contains photogrammetric plans of buildings in Vermont, Illinois, Ohio, and New York; and Sweden and Greece.

Photogrammetry is the practice of determining the geometric properties of objects from photographic images. Photogrammetry is used by archaeologists to quickly produce plans of large or complex sites.