|This needs a stretch.|
The store owner collects historical information there as a hobby.
Scooby-Doo! Camp Scare
It contained valuable information about the history of the flooded town of Moose Creek, and a bank robbery there, which helped the gang in their investigation of the Woodsman, the Fishman, and the Specter of Shadow Canyon.
- DTV15. Scooby-Doo! Camp Scare