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Tucson Origins: The Archaeology of Rio Nuevo
Tucson Orgins: The history and archaeology of the Rio NUevo Project
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Excavations at The San Agustín Mission, Weeks 3 and 4

  The third through fifth weeks of field work at the San Agustin site have provided many exciting finds.  Documentation of the mission granary has been completed and additional excavation units to expose the  west compound wall will be completed soon. A small section of the wall has been located north of the  granary, indicating it was over 97 meters long.

Excavated Granary
The stone foundation of the granary.

We are now exploring the area beneath Mission Lane. After pulling up the asphalt and scraping the area, a variety of features were discovered. These included a historic acequia (canal) that contained many rocks, probably from the south wall of the mission.

Along the south side of Mission Lane we are documenting a stone-lined ditch that probably once took water from the millrace at Warner's Mill, at the base of A-Mountain, back to the Santa Cruz River. An Early Agricultural Period pithouse lies beneath this canal.

Prehistoric Canal under the Mission Site
Excavation of a Stone Lined Ditch
.

Several Early Agricultural Period pithouses have been found. One excavated example was about 8 ft in diameter, contained a small hearth, and had a ring of posts. Half of a smoking pipe was found in the pithouse fill. Nearby another pithouse has a large central pit.

Excavation of an Early Agricultural Period pithouse.
The excavation of an Early Agricultural Period pithouse, located just below the Mission Period surface.

Continue to read about the San Agustin Mission Excavation: Weeks 5 and 6
or return to Weeks 1 and 2.

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