Color postcard of two men posing in front of a plaque at the Petrified Forest in Calistoga near the Napa County and Sonoma County border.
Description on back: "This plaque is 'To Commemmorate the Discovery of this Petrified Forest by "Petrified Charlie" in the year 1870. The meeting with Robert Louis Stevenson is immortalized in the book "Silverado Squatters". All those others whose lives were devoted to developing and preserving this Forest.' Calistoga Parlor No. 86 B.S.G.W. dedicates with deep devotion for the preservation of California Natural Wonders."
Location: Postcard Album #3
