At Knott’s Berry Place* in Buena Park, daughter Virginia [Knott] set up a souvenir table in the Chicken Dinner Restaurant, founding the country’s first theme park souvenir shop.
Information from a Knott’s placemat at http://inangeling.net/knottsberryfarm/timeline.html .
An “active volcano” was at the park, too.
Image from http://www.yesterland.com/knottsearly.html .
*the name was later changed to Knott’s Berry Farm.