Donner pass (1988 full hour from Roseville California to Reno Nevada in the Sierra Nevada mountains) fact: it’s the very first video rails title to be narrated by Jim Knight. California Zephyr (a 1950s public domain film, with an 1970 newsreel at the beginning) Note: I have 2 copies of this film: an original from 1986, & a pentrex reissue from 1995 or 1996.
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