Research7.8 mi
Big Sioux River Quartzite & Gravel Research
Sioux Quartzite, glacial stones and river gravel
Core atlasSOUTH DAKOTA CITY ROCKHOUNDING HUB
Rockhounding Near Sioux Falls, South Dakota
Sioux Quartzite bedrock and eastern glacial geology under parks/private ownership.
3records within 100 mi
3core atlas
0USGS Research
0Ready
0Conditional
LOCAL INTERACTIVE MAP
Rockhounding map near Sioux Falls
Explore nearby South Dakota records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
What is this area strongest for?
This hub uses Sioux Falls as a geographic base, while the material mix is calculated from the records actually mapped around it.
Field regions around Sioux Falls
Nearby records worth opening individually
Records are ordered by evidence status first, then distance. Open the detailed guide before treating any pin as a trip destination.
Research25.6 mi
Sioux Quartzite Research
pink Sioux Quartzite and associated Precambrian geology
Core atlasResearch68.1 mi
Missouri River Gravel / Glacial Stone Research
quartzite, jasper, agate and mixed river gravel
Core atlas