1859  It was the Kablunak's custom, when the ice cleared away, to pan out a few bags of gold-dust there.
1868  (1962)  The bakin' board hangs on the wa', Its purposes are twa-fold-- For mixing bread wi' yeast or dough Or panning oot the braw gold!
1bv. yield (in gold).
1877  John Glen calculated . . . that he might strike a new bar or gulch that would pan out as richly as Williams' Creek, Cariboo. . . .
1921  The Colonel had told them that a cubic foot of gravel would pan out twenty dollars in gold, and there were so many thousand cubic feet in the top layer of each claim
2v.Informal turn out; work out in practice.
1884  If the domineering Attorney-General "pans out" well during the coming session he will probably be the man.
1890  What's the brilliant scheme that has panned out so well?
1919  ". . . first guesses about a fellar most gener'ly pans out pretty fair."