Green River Formation

If you are interested in other classic American locales we may have stock from the following locales.

American locales

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Arkansas

• Dug Hill, Avant, Garland County, Arkansas, USA

California

• Monterey formation, San Luis Obispo County, California, USA

Colorado

• Green River Formation (spanning areas of Colorado, Utah, and Wyoming.)
• Stoneham, Weld County, Colorado, USA

Illinois

• Cave-in-Rock, Hardin County, Illinois, USA

Michigan

• Laurium Mine, Osceola, Michigan, USA

New Mexico

• Kelly Mine, Magdelena, New Mexico, USA
• Obsidian Ridge, Sandoval County, New Mexico, USA

Nevada

• Hat lease, Goldfield Mining District, Esmeralda County, Nevada, USA
• Virgin Valley, Humboldt County, Nevada, USA

Oregon

• Opal Butte, Morrow County, Oregon, USA

Pennsylvania

• Cedar Hill Quarry, Lancaster County, Pennsylvania, USA
• Pottsville Formation, St. Clair, Schuylkill County, Pennsylvania, USA

Utah

• Iron Mountain, Pinto Iron Mining District, Iron Springs Mining District, Iron County, Utah, USA
• Topaz Mountain, Thomas Range, Juab County, Utah, USA

For the rest of our American stock, see below.

United States of America

Fossils from the USA - Meteorites from the USA - Minerals from the USA