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Smokey The Bear "Only You" (1970s) - Forest Fire & Camping PSA
(crazyturtleblog.blogspot.com)
All things back-country camping! Gear discussions, destination talks and everything else within that realm
Back when a certain amount of airtime had to be dedicated to public service announcements. See also “give a hoot don’t pollute” and the crying Native American.
Also before the internet, you could write off to an address in Pueblo Colorado for health and how to pamphlets from the US government. They ran PSAs for those constantly.