The posted coordinates will lead you to Rosie. From there, Rosie will lead you to the cache. The bison tube is located …
ABC feet away at a bearing of DEF degrees, where:
A: One of the sponsors of this Rosie tribute is UAW Local A62
B = The number of children that Rose had
C: Rose died in 19C7
D = The most frequent number in Pat Harrison’s phone number
E = Rose was born in 192E
F = The number of black buckles on Rosie’s lunchbox