Presidio Habitat Stewards (Every Saturday) November 21 @ 9:00 am - 12:00 pm Presidio Habitat Stewards (Every Saturday)
Litter Pickup on the Presidio Tunnel Tops November 21 @ 10:00 am - 12:00 pm Litter Pickup on the Presidio Tunnel Tops
Presidio Guided Walk: 250 Years on the Presidio November 22 @ 11:00 am - 12:00 pm Presidio Guided Walk: 250 Years on the Presidio