This is bonus cache for Adventure Lab - Parks and Reserves in Prospect.
https://labs.geocaching.com/goto/PROSPECTPARKS
A = the year on the journal for GEROGE WHITTLE RESERVE +1
B = the year on the journal for CHARLES CANE RESERVE -2
C = the year on the journal for PEPPERMINT GUMS PARK *3
D = the year on the journal for PROSPECT ESTATE /4
E = the answer for ST JOHNS WOOD GARDEN !
F = number of letters for the building name at the starting location of the Lab Adventure (hint: it's a Kaurna name, start with P)
Final location: S 34 52.??? E 138 35.???
F*E+D-C+B-A+46
F*E+D-C+B-A+188
Please bring your own pen.
Congratulations:
FTF: Lockchick (19 June 2020)
STF: CPwanderer + hevwalker + Gizmo's Gang (21 June 2020)
TTF: Freddo (22 June 2020)