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Please join Don Endicott and Tony DeLorenzo for a half-day trip back in time to the Mine Wash archaeological site. Don and Tony are CDAS archaeology technicians, site stewards, and volunteer naturalists for Anza-Borrego Desert State Park.

Online registration is now closed. If you'd like to sign up, please visit the CDAS table at the ABDSP Visitor Center on Saturday, where you can register in person.

Situated approximately 16 miles from the ABDSP Visitor Center, the location we will visit is an 8 1/2 acre cultural site. It was occupied and used most intensively by the Kumeyaay people around 1100 years ago and again in the 1600s ("Late Prehistoric" Period). The Mine Wash site was also associated with a trade network with the Colorado River and Pacific Coast, resulting in discovering of exotic items such as obsidian from the Salton basin, shells from the Gulf of California and Pacific Ocean, and fish remains. During our walk over relatively gentle open desert terrain from nearby parking, we will observe a variety of features associated with seasonal habitation, food gathering, and food preparation. Archaeological features we will see include bedrock milling and grinding features and examples of the mysterious pecked cupules found throughout the region.

We will meet at the Park Visitor Center at 8:00 am and carpool to the Mine Wash site via County Route S3 to Tamarisk Grove Campground and State Route 78 to the dirt road entrance to Mine Wash. High clearance vehicles are preferred. There is a primitive restroom a short distance south of the highway junction, but no facilities are available at the site. Please be prepared with suitable footwear, hats, sunblock, your own water, and food for lunch. The field trip will conclude back at the Visitor Center at 1:00 pm. Space is Limited to 15 people - $10.00 fee.