South Dakota Brass Survey Marker Value Guide
Brass Survey Marker is a realistic South Dakota detector target tied to old townsites, county fairgrounds, and farmstead yards. Rather than pretending every state has the same history, this profile frames the signal around the kinds of sites that actually produce it in South Dakota: beaches, town greens, camps, farmsteads, transport corridors, or old recreation grounds.
Value Range
$5-100+ depending on agency and age
Cleaning Tips
- ●clean lightly and retain stamped benchmark data
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