Columbia subject headings:
Santa Cruz River Valley (Ariz. and Mexico)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Arizona
Indians of North America--Arizona--Pima County--Antiquities.
Indians of North America--Arizona--Pima County--History.
Mission San Agustín del Tucson (Tucson, Ariz.)--Antiquities.
Mission San Xavier del Bac (Tucson, Ariz.)--Antiquities.
Pima County (Ariz.)--Antiquities.
Santa Cruz River Valley (Ariz. and Mexico)--Antiquities.
Tucson (Ariz.)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Arizona.
Mission San Agustín del Tucson (Tucson, Ariz.)--Antiquities.
Mission San Xavier del Bac (Tucson, Ariz.)--Antiquities.
Pima County (Ariz.)--Antiquities.
Tucson (Ariz.)--Antiquities.