Wanted Can someone Identify these Cowboys and whereabouts

Getting answers for my questions is probably slim.
Hopefully Slim is still in town

1 picture

This character sticker was on both corner of a 1967-69 Barracuda tinted rear window , The glass also had a large plymouth decal on it. I got from someone in Northwest Washington but have no way of contacting the original owner.
These are pictures in our family photo collection and I am just trying get lost information . My father was involved with Valvoline, Texaco and Chrysler....
2nd Picture taken the early to mid sixties
Likely Valvoline employees , possibly Chrysler employees or ?
3rd Picture taken in the early sixties
Likely Alberta oil sands

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My guess is it's some variation of "The Dodge Boys" campaign (even though it's on a Plymouth...). There were a lot of variations over the years.
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