Formed in 1999; metal detecting and treasure hunting in the Uncompahgre Valley of southwestern Colorado, with about 75 members and a placer claim near Placerville. The about page says they meet monthly but does not give a time; the contact page publishes the 2nd Monday schedule. Source: https://uncompahgretreasureclub.com/contact-us
The map pin is the published meeting address. Meeting times change. Confirm with the club before you visit.