A Geologic History of the Catalina and Rincon Mountains
When: Sun., Dec. 6, 1 p.m. 2009
Geologist Bill Peachey speaks about three events that formed the Catalina and Rincon Mountains and other geologic features around the Tucson basin from 1 to 2 p.m., Sunday, Dec. 6. Free. Call 615-7855, or e-mail eeducation@pima.gov for more information.