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Mt. SAC Emergency Alert

Alert: MTSAC ALERT #3: The gas leak that occurred off campus is now contained. Grand Avenue has reopened. Please resume business as usual.

Contact Us

Mt. SAC-Randall Planetarium Staff

Name Title Email Phone
Heather Jones Planetarium Supervisor email   909-274-5794
Jessica Draper Astronomy Technician email   909-274-4439


The Mt. SAC - Randall Planetarium 
(Building 26C) 
Mt. San Antonio College 1100 N. Grand Ave., Walnut, CA 91789 
Phone: (909) 274-5795 |