Fairbury: Agate & Chalcedony Rockhounding in Jefferson County, Nebraska

Updated June 2026

Fairbury is a mapped rockhounding spot in Jefferson County, Nebraska. Reported finds include agate, chalcedony, jasper, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Fairbury in Jefferson County, Nebraska

Quick details

Access
Public area
Nearest road
Little Blue River Trail
Postcode
68352

Geology at Fairbury

This spot sits on Dakota Group, mapped as sandstone and shale that formed roughly 145 to 100 million years ago. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.

Mapped unit
Dakota Group
Age
145–100 Ma (Early Cretaceous)
Rock types
sandstone and shale
Elevation
1,320 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Fairbury

Best months: March to November. Typical highs run 89°F in midsummer and 37°F in midwinter, with winter lows near 15°F.

Climate normals: NOAA 1991-2020 monthlies, FAIRBURY 7S station (6 mi away), adjusted for elevation.

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Fairbury

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Fairbury.

Across the state line from Fairbury

Fairbury is close enough to the Nebraska border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Fairbury FAQ

Where is Fairbury?+
Fairbury is in Jefferson County, Nebraska, at 40.13195, -97.18443. Nearest road: Little Blue River Trail.
What rocks and minerals can you find at Fairbury?+
Fairbury is reported to produce Agate, Chalcedony, Jasper, Petrified Wood.
Is collecting allowed at Fairbury?+
Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.
What tools should I bring to Fairbury?+
A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.
When is the best time to visit Fairbury?+
The most comfortable months at Fairbury are March to November.
How do I get to Fairbury?+
Open the directions link to navigate to 40.13195, -97.18443 in Google Maps. The nearest road is Little Blue River Trail.

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