Apparently, the arboretum had at least two different colors of jeep trains. Here’s a slide then of an orange one. It is currently priced at $12.99.
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(Originally posted May 2015) This was sold on eBay.
This postcard depicts how tram visitors used to tour the former Santa Anita ranch of “Lucky Baldwin”, who made millions in silver. According to the website, “Occupying the heart of the historic Rancho Santa Anita, The Los Angeles County Arboretum & Botanic Garden is a unique 127 acre botanical garden and historical site jointly operated by the Los Angeles Arboretum Foundation and the Los Angeles County Department of Parks and Recreation and located in the city of Arcadia.”