Explore Map Collection

Check out our basemaps

Print a Map Plus

Generate a high-quality PDF

Discover local flora, fauna, geology, and more

Local Flora & Fauna

Learn the ecology of your area

Learn the geologic formation at your feet

Get Started or Sign In

Welcome

Sign up to start exploring the one-of-a-kind Natural Atlas Topo map

Continue with Apple

Or

Already have an account? Sign In

MAP

Topo

Rock Formations

Measure

Copyright © Natural Atlas | Roads, Buildings © OSM Contributors | Data Sources

Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Morrison Formation

Geologic Formation

Generate High-Quality PDF

Lithology

Sandstone

Conglomerate

Claystone

Other (23,303 mi²)

Geologic Age

Late Jurassic (164.5 Ma – 145 Ma ago) (4,145 mi²)

Late Jurassic – Early Cretaceous (164.5 Ma – 100.5 Ma ago) (1,167 mi²)

Middle Jurassic – Early Cretaceous (175.1 Ma – 100.5 Ma ago) (475 mi²)

Other (2,168 mi²)

Geologic Unit Label

J2 (1,760 mi²)

KJ (1,167 mi²)

Jm (1,444 mi²)

Other (3,585 mi²)

Taxonomy

Classified As

Geologic Formation