Helen L. O’Brien

Helen L. O’Brien is an archaeologist specializing in field mapping, data management, CAD, GIS, and student training. She has been employed at the Pima Community College Archaeology Centre since 1985. She has conducted field mapping, data collection and management, and cartography at sites in southern Arizona, Brazil, southern France, Hawai‘i, Egypt, and Sudan.

Hohokam Along the Cañada del Oro Hohokam Along the Cañada del Oro
Hohokam Along the Cañada del Oro

Hohokam Along the Cañada del Oro

Specialized Land Use at the Rooney Ranch Site

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