I assume you mean you achieved the badge that rewards the Jackalope?
Its not a quest reward. You have to visit all (or at least a number of) the places in Cool Ranch to have achieved the required badge. If the typical quest line is followed, it usually is rewarded the moment you "enter" Motherload Mine in Haunted Sky, completeing the dungeon/quest in Motherlode Mine is not part of the badge requirement. As I recall its the "Frontier Drifter" badge.
Other than that, I would check your bank like Jack recommended!
Dr Zeppers (aka Silent Sam Stern)
Piratey parodies I like to make.
I be a crazy pirate for goodness sake!
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