Rockhounding sites in North Dakota

73 rockhounding collecting destinations in North Dakota.

North Dakota rockhounding map

Interactive pins for coordinate-verified, indexable listings in North Dakota. Click a marker for the full site page.

24 mapped sites shown · list continues below

Use this page as your North Dakota rockhounding map — North Dakota has 73 rockhounding sites in our directory, including 5 quartz & crystals, 13 agate & jasper, 1 gemstones, 47 fossils, 7 other. Use rockhounding sites near me for live distance sorting or browse by city.

By specimen type: Quartz & Crystals (5) · Agate & Jasper (13) · Fossils (47) · Other (7)

Frequently asked questions

Where can I find rockhounding sites in North Dakota?

Our North Dakota rockhounding map lists 73 cataloged sites with GPS, fees, and specimen types at /states/north-dakota/. Filter by type or use near-me GPS sorting from your location.

Is there a North Dakota rockhounding map?

Yes — the North Dakota state hub at /states/north-dakota/ works as your rockhounding map with every listing, featured sites, and links to specimen-type subsets.

What can you find rockhounding in North Dakota?

Specimens vary by region — browse the North Dakota map for quartz, agate, geodes, fossils, and gems. Each listing notes primary targets and access rules.

What to pack for North Dakota rockhounding trips

Compared day-trip gear for North Dakota rockhounding sites — side-by-side tables for the hike in, sun, and sun, tools, and the approach hike.

Chisels & Wedges — Split matrix cleanly and protect your specimens

Chisels & Wedges

Split matrix cleanly and protect your specimens

5 products compared

Safety Glasses — Non-negotiable eye protection when hammering rock

Safety Glasses

Non-negotiable eye protection when hammering rock

4 products compared

Specimen Bags & Wrap — Get your finds home without chips and scratches

Specimen Bags & Wrap

Get your finds home without chips and scratches

4 products compared

Field Gloves — Cut and abrasion protection for sharp rock and tools

Field Gloves

Cut and abrasion protection for sharp rock and tools

4 products compared

All gear categories →

Disclosure: Gear links may earn a commission as an Amazon Associate — at no extra cost to you. Learn more.

All 73 listings

13275'-287', Amerada Petrol. Corp, Herman May, Fryburg Area — fossil rockhounding site near North Dakota, ND

FossilND

13275'-287', Amerada Petrol. Corp, Herman May, Fryburg Area

Fossil collection site in the Deadwood, Billings County, North Dakota. Environment: lagoonal. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Almont — fossil rockhounding site near North Dakota, ND

FossilND

Almont

Fossil collection site in the Fort Union, Morton County, North Dakota. Environment: lacustrine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Arco Wunderlich #1 - North Dakota Geo Survey Well #8803 — fossil rockhounding site near The Stony Mountain, ND

FossilND

Arco Wunderlich #1 - North Dakota Geo Survey Well #8803

Fossil collection site in the Stony Mountain, North Dakota. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Stony Mountain

Bismark — agate rockhounding site near North Dakota, ND

AgateND

Bismark

Bismark is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Silicified wood, Jasper. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Brisbane — fossil rockhounding site near North Dakota, ND

FossilND

Brisbane

Fossil collection site in the Slope, Grant County, North Dakota. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Broste Rock Museum — mixed rockhounding site near ND, ND

MixedND

Broste Rock Museum

Broste Rock Museum is a documented rockhounding destination in ND. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.

Fee variesNorth Dakota

Burning Coal Vein — mixed rockhounding site near ND, ND

MixedND

Burning Coal Vein

Burning Coal Vein is a documented rockhounding destination in ND. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.

Fee variesNorth Dakota

Cannonball River — agate rockhounding site near North Dakota, ND

AgateND

Cannonball River

Cannonball River is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Silicified wood, Jasper. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Crowley Quarry — gem flint rockhounding site near North Dakota, ND

Gem FlintND

Crowley Quarry

Crowley Quarry is a documented mineral occurrence near ND. Reported specimens include Gem Flint. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Dickinson — agate rockhounding site near North Dakota, ND

AgateND

Dickinson

Dickinson is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Fort Ransom Glacial Erratics — glacial rockhounding site near Fort Ransom, ND

GlacialND

Fort Ransom Glacial Erratics

Glacial erratics of the Sheyenne River valley include granite boulders and transported agates in Sheyenne State Forest.

Fee variesFort Ransom

Hettinger — agatized wood rockhounding site near North Dakota, ND

Agatized woodND

Hettinger

Hettinger is a documented mineral occurrence near ND. Reported specimens include Agatized wood. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Hettinger County — agate rockhounding site near North Dakota, ND

AgateND

Hettinger County

Hettinger County is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Silicified wood, Jasper, Selenite crystals. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Killdeer — knife river flint rockhounding site near North Dakota, ND

Knife River FlintND

Killdeer

Killdeer is a documented mineral occurrence near ND. Reported specimens include Knife River Flint. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Killdeer Mountains Agate — agate rockhounding site near Killdeer, ND

AgateND

Killdeer Mountains Agate

Killdeer Mountain area badlands and draws in western North Dakota yield agate and petrified wood on permitted lands.

Fee variesKilldeer

Kj8404 — fossil rockhounding site near North Dakota, ND

FossilND

Kj8404

Fossil collection site in the Fort Union, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj86103 — fossil rockhounding site near North Dakota, ND

FossilND

Kj86103

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj86108 — fossil rockhounding site near North Dakota, ND

FossilND

Kj86108

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj86110 — fossil rockhounding site near North Dakota, ND

FossilND

Kj86110

Fossil collection site in the Fort Union, Slope County, North Dakota. Environment: crevasse splay. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj86119 — fossil rockhounding site near North Dakota, ND

FossilND

Kj86119

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj86158 — fossil rockhounding site near North Dakota, ND

FossilND

Kj86158

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj86163 — fossil rockhounding site near North Dakota, ND

FossilND

Kj86163

Fossil collection site in the Fort Union, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj87103 — fossil rockhounding site near North Dakota, ND

FossilND

Kj87103

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj87109 — fossil rockhounding site near North Dakota, ND

FossilND

Kj87109

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj87110 — fossil rockhounding site near North Dakota, ND

FossilND

Kj87110

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: crevasse splay. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj87133 — fossil rockhounding site near North Dakota, ND

FossilND

Kj87133

Fossil collection site in the Hell Creek, Bowman County, North Dakota. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj87151 — fossil rockhounding site near North Dakota, ND

FossilND

Kj87151

Fossil collection site in the Hell Creek, Bowman County, North Dakota. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj87152 — fossil rockhounding site near North Dakota, ND

FossilND

Kj87152

Fossil collection site in the Hell Creek, Bowman County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj88107 — fossil rockhounding site near North Dakota, ND

FossilND

Kj88107

Fossil collection site in the Hell Creek, Bowman County, North Dakota. Environment: crevasse splay. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj88114 — fossil rockhounding site near North Dakota, ND

FossilND

Kj88114

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fine channel fill. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Kj88124 — fossil rockhounding site near North Dakota, ND

FossilND

Kj88124

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: wet floodplain. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Lisbon — quartz rockhounding site near North Dakota, ND

QuartzND

Lisbon

Lisbon is a documented mineral occurrence near ND. Reported specimens include Quartz gemstones, Teredo petrified wood. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Little Missouri River — agate rockhounding site near North Dakota, ND

AgateND

Little Missouri River

Little Missouri River is a documented mineral occurrence near ND. Reported specimens include Montana Moss Agate, Jasper, Agatized wood. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Mandan — agate rockhounding site near North Dakota, ND

AgateND

Mandan

Mandan is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Chert, Teredo petrified wood. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Mckenzie County — agate rockhounding site near North Dakota, ND

AgateND

Mckenzie County

McKenzie County is a documented mineral occurrence near ND. Reported specimens include Montana Moss Agate, Jasper, Silicified wood. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Medora — agate rockhounding site near North Dakota, ND

AgateND

Medora

Medora is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Silicified wood, Concretions. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Medora Badlands Petrified Wood — petrified wood rockhounding site near Medora, ND

Petrified WoodND

Medora Badlands Petrified Wood

Theodore Roosevelt National Park badlands display petrified wood stumps; collecting banned in park but region has specimens on private land.

Fee variesMedora

Ndgs L301 — fossil rockhounding site near North Dakota, ND

FossilND

Ndgs L301

Fossil collection site in the Hell Creek, Morton County, North Dakota. Environment: estuary/bay. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Ndgs96-23.1 — fossil rockhounding site near North Dakota, ND

FossilND

Ndgs96-23.1

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: "channel". Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Petrified Log & Stumps At Capitol Grounds — petrified wood rockhounding site near ND, ND

Petrified WoodND

Petrified Log & Stumps At Capitol Grounds

Petrified Log & Stumps at Capitol grounds is a documented rockhounding destination in ND. Collectors visit for petrified wood, agate and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.

Fee variesNorth Dakota

Ptrm V92002 — fossil rockhounding site near North Dakota, ND

FossilND

Ptrm V92002

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: "channel". Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Richardton — agate rockhounding site near North Dakota, ND

AgateND

Richardton

Richardton is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Agatized wood, Jasper, Selenite crystals. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Sheyenne River — quartz rockhounding site near North Dakota, ND

QuartzND

Sheyenne River

Sheyenne River is a documented mineral occurrence near ND. Reported specimens include Quartz gemstones, Petrified wood, Fossils. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Souris River — quartz rockhounding site near North Dakota, ND

QuartzND

Souris River

Souris River is a documented mineral occurrence near ND. Reported specimens include Quartz gemstones, Agate, Chalcedony, Jasper, Fossils. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Stanley — glauberite rockhounding site near North Dakota, ND

GlauberiteND

Stanley

Stanley is a documented mineral occurrence near ND. Reported specimens include Glauberite, Halite, Thenardite. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Tanis — fossil rockhounding site near North Dakota, ND

FossilND

Tanis

Fossil collection site in the Hell Creek, Bowman County, North Dakota. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Tappen — agate rockhounding site near North Dakota, ND

AgateND

Tappen

Tappen is a documented mineral occurrence near ND. Reported specimens include Agate, Chalcedony, Jasper, Fossils. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Teredo Petrified Wood — fossil rockhounding site near ND, ND

FossilND

Teredo Petrified Wood

Teredo Petrified Wood is a documented rockhounding destination in ND. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.

Fee variesNorth Dakota

Theo Roosevelt Np - Cannonball Concretions — mixed rockhounding site near ND, ND

MixedND

Theo Roosevelt Np - Cannonball Concretions

Theo Roosevelt NP - Cannonball Concretions is a documented rockhounding destination in ND. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.

Fee variesNorth Dakota

Tongue River — quartz rockhounding site near North Dakota, ND

QuartzND

Tongue River

Tongue River is a documented mineral occurrence near ND. Reported specimens include Calcite crystals, Fossils. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Turtle Mountain — quartz rockhounding site near North Dakota, ND

QuartzND

Turtle Mountain

Turtle Mountain is a documented mineral occurrence near ND. Reported specimens include Quartz gemstones, Agate, Chalcedony. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota

Turtle Mountain Agate — agate rockhounding site near Bottineau, ND

AgateND

Turtle Mountain Agate

Glacial deposits of the Turtle Mountains along the Manitoba border carry agate and jasper in forest road cuts and beaches.

Fee variesBottineau

Unnumbered Mrf Locality 6.7 Km Nw Of Turtle Graveyard Locality — fossil rockhounding site near North Dakota, ND

FossilND

Unnumbered Mrf Locality 6.7 Km Nw Of Turtle Graveyard Locality

Fossil collection site in the Hell Creek, Slope County, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Usgs Locality 2422, 2 Miles East Of Gladstone, Nd, Upper Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 2422, 2 Miles East Of Gladstone, Nd, Upper Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 2424, Near Medora, Nd Half Mile From Little Misouri, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 2424, Near Medora, Nd Half Mile From Little Misouri, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 4256, Northwest Of Coleharbor, Nd, Upper Fort Union Fm — fossil rockhounding site near North Dakota, ND

FossilND

Usgs Locality 4256, Northwest Of Coleharbor, Nd, Upper Fort Union Fm

Fossil collection site in the Fort Union, McLean County, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Usgs Locality 4334, Sentinel Butte, Nd, Lower Fort Union Fm Sentinel Butte Mb — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 4334, Sentinel Butte, Nd, Lower Fort Union Fm Sentinel Butte Mb

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 5437, North River Bank At Mccord Coal Bank, Nd, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 5437, North River Bank At Mccord Coal Bank, Nd, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6215, Along Little Missouri River South Of Yule, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6215, Along Little Missouri River South Of Yule, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6219, West Of Little Missouri River, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6219, West Of Little Missouri River, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6225, 8 Miles South Of Dakota Natural Forest, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6225, 8 Miles South Of Dakota Natural Forest, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6376, 10 Miles South Of Bentley, Hettinger Project, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6376, 10 Miles South Of Bentley, Hettinger Project, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6377, About 1 Mile South Of Kayser, Hettinger Project, Fort Union — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6377, About 1 Mile South Of Kayser, Hettinger Project, Fort Union

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6382, About 3 Miles East Of Scranton, Marmarth Project, Fort Union — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6382, About 3 Miles East Of Scranton, Marmarth Project, Fort Union

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6525, South Bank Of Heart River 1/2 Mile South Of Mandan — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 6525, South Bank Of Heart River 1/2 Mile South Of Mandan

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 6892, Oliver County Lignite Field, Fort Union Fm? — fossil rockhounding site near North Dakota, ND

FossilND

Usgs Locality 6892, Oliver County Lignite Field, Fort Union Fm?

Fossil collection site in the Fort Union?, Oliver County, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Usgs Locality 8202, On Road Towards Hoflund Along Missouri River, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 8202, On Road Towards Hoflund Along Missouri River, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 8212, About 4 Miles North Of Mouth Of Rising Water Creek — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 8212, About 4 Miles North Of Mouth Of Rising Water Creek

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 8222, At First Of Blue Buttes, South Of Keene, Fort Union Fm — fossil rockhounding site near North Dakota, ND

FossilND

Usgs Locality 8222, At First Of Blue Buttes, South Of Keene, Fort Union Fm

Fossil collection site in the Fort Union, Powell County, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Usgs Locality 8224, Brittian Coal Mine, 6 Miles Southeast Of Mott, Fort Union Fm — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 8224, Brittian Coal Mine, 6 Miles Southeast Of Mott, Fort Union Fm

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 8230, North Of Road; +/- 5 Miles West Of Grassy Butte, Fort Union — fossil rockhounding site near The Fort Union, ND

FossilND

Usgs Locality 8230, North Of Road; +/- 5 Miles West Of Grassy Butte, Fort Union

Fossil collection site in the Fort Union, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesThe Fort Union

Usgs Locality 9202, 3 Miles East Of Fort Stevenson, Fort Union Fm — fossil rockhounding site near North Dakota, ND

FossilND

Usgs Locality 9202, 3 Miles East Of Fort Stevenson, Fort Union Fm

Fossil collection site in the Fort Union, Ward County, North Dakota. Environment: fluvial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.

Fee variesNorth Dakota

Williams County — agate rockhounding site near North Dakota, ND

AgateND

Williams County

Williams County is a documented mineral occurrence near ND. Reported specimens include Montana Moss Agate, Red Jasper, Yellow Jasper. Verify land access and collecting rules before visiting.

Fee variesNorth Dakota