Helen L O'Brien Editor

Jeffrey T. Jones is a retired cultural resource management (CRM) archaeologist with more than thirty-five years of experience in the American Southwest and northwest Mexico. He last worked as a field/project director for Tierra Right of Way Services in Tucson.

Helen L. O'Brien is an archaeologist specializing in field mapping, GIS, and student training at Pima Community College. She has done field mapping and cartography at sites in Arizona, Brazil, France, Hawai'i, Egypt, and Sudan.