Science & Environment

What If There Weren’t Any Trees?

November 11th, 2012

Saturday, Nov 11, 11 a.m.–12:30 p.m.
Meet at Main Post flagpole (near Moraga Ave. & Graham), Presidio
Learn about the various trees that shape the Presidio and how they got there on this short hike on the Ecology Trail. Reservations required. Free, 415-561-4323,

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