*****The cache is not at the posted coordinates*****
This bonus cache can be solved by visiting the 5 stages of the Murals of Downtown Selkirk, Adventure Lab Cache. After you answer the question for each mural correctly, continue to the journal page to see the bonus question. By answering the 5 bonus questions correctly, you will have the answers to solve the coordinates for this cache.
N50.0E.5BB W0BA 5C.DCE
This cache will take you to another of Selkirk's murals where you can read about the important of volunteers. Note: the cache is not located on the busy street.