Marian Parker and John Shribbs(authors of Petaluma Field Guide) are going to to offer a Nature Walk this SAT at Shollenberger 9 am to 11 am. We will limit to 8 guests, first come first serve. Guests must wear face masks, and bring their own water, hat, and binoculars/scopes. Meet at entrance picnic tables. Entrance at Cader Lane and McDowell Extension.