https://www.brighthub.com/electronics/gps/articles/78784/
Oldest Geocaches in US: An Intriguing Look at Where and How it All Began
The oldest geocaches in US territory are an interesting story all on their own. Find out where they are and how this technical hide-and-seek hobby got started....
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https://forum.opencaching.pl/viewtopic.php?p=150893&sid=2a17d4efaea633f775efd66375a5f1e9
[iOS] Geocaches - Strona 3 - Opencaching Polska - Forum
iosgeocachesstronapolskaforum
https://help.locusmap.eu/topic/39368-all-geocaches-filter-does-not-show-all
"All geocaches" filter does not show ALL | Locus Map - help desk
This has bugged me since the feature was introduced. "All geocaches" filter on the live map does NOT show * Your own caches * Other caches you've found
does notlocus maphelp deskgeocachesfilter