Buffalo Gap National Grassland — Rock / Agate / Fossil Context
Fairburn agate, prairie agate, jasper, chalcedony, petrified wood and fossil context
Core atlasSOUTH DAKOTA LOCAL FIELD REGION
Protected scientific fossil beds, viewing only under NPS rules.
LOCAL INTERACTIVE MAP
Explore nearby South Dakota records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.
Fairburn agate, prairie agate, jasper, chalcedony, petrified wood and fossil context
Core atlascommon invertebrate/plant fossils and petrified wood context
Core atlasrocks, minerals, pegmatite material and limited personal-use specimens
Core atlasOligocene vertebrate fossils and badlands geology
Core atlasbentonite and Cretaceous sedimentary geology
Core atlasMolybdenum, Uranium
USGS Researchammonites, inoceramids and marine Cretaceous fossil context
Core atlasrose quartz and quartz pegmatites
Core atlasquartz, feldspar, mica, beryl, lithium minerals, tin and tungsten
Core atlaslithium, beryllium, tin, tungsten and other critical-mineral occurrence context
Core atlascalcite, limestone, cave and karst geology
Core atlasFairburn agate, prairie agate, jasper and chalcedony
Core atlasLithium, Beryllium
USGS ResearchLithium, Beryllium
USGS ResearchBeryllium
USGS ResearchBeryllium
USGS ResearchBeryllium, Tin
USGS ResearchGold, Silver, Lead, Zinc
USGS ResearchMineral resource occurrence
USGS ResearchLithium, Beryllium
USGS ResearchGold, Silver
USGS ResearchGold, Silver
USGS ResearchTin
USGS ResearchGold, Silver, Tungsten
USGS ResearchGold, Silver
USGS ResearchGold, Silver
USGS ResearchCopper
USGS ResearchMineral resource occurrence
USGS ResearchLithium, Beryllium, Tin
USGS ResearchCopper, Gold, Silver
USGS ResearchMineral resource occurrence
USGS ResearchGold, Silver
USGS ResearchBeryllium
USGS ResearchTungsten
USGS ResearchBeryllium
USGS ResearchBeryllium
USGS ResearchGold, Silver
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchTungsten
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchGold, Silver, Tungsten
USGS ResearchTin
USGS ResearchTin
USGS ResearchTungsten
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS Research