In 1968, for the first time, an admission price was required to get into the park, originally set at 25 cents. The Calico Log Ride (the original name of the Timber Mountain Log Ride) opened in 1969. The park became a popular destination for conservative college students in the 1960s, especially as conservative organizations like the California Free Enterprise Association, the Libres Foundation, and the Americanism Educational League were based there. According to Assistant Professor Caroline Rolland-Diamond of the Paris West University Nanterre La Défense: