An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Into how many geomorphic regions would you divide the USA?
Examine the differences between the flooded river valley east coast versus the tectonic-shaped west coast.
Use this map to identify effects of glaciation, particularly Coteau de Prairies in South Dakota and the Driftless Area in southwest Wisconsin and northeast Iowa.
Examine the extent of Mississippi floodplain and Nebraska sandhills.
Is the Great Plains a uniformly flat landscape? Where is the flattest landscape? (The flattest landscapes are in the Mississippi floodplain and the Llano Estacado.)
Examine crustal deformation near the plate boundary in California.
Investigate the northwest-trending lineaments in Oklahoma and Texas.
Study the east-northeast-trending lineament from Los Angeles to the Grand Canyon.
Discuss the vast extent of basin-and-range province from Texas to Oregon.