United States Major Rivers

Front

What river is highlighted red? Options: Columbia, Ohio, Colorado, Rio Grande

Back

Colorado

Front

What river is highlighted blue? Options: St. Lawrence, Colorado, Rio Grande, Columbia

Back

Rio Grande

Front

What river is highlighted in blue? Options: St. Lawrence, Ohio, Missouri, Columbia

Back

Ohio

Front

What river is highlighted blue? Options: Ohio, Rio Grande, Missouri, St. Lawrence

Back

Missouri

Front

What river is highlighted red? Options: Missouri, Mississippi, Ohio, St. Lawrence

Back

Mississippi

Front

Forms a natural border between the United States and Mexico

Back

Rio Grande

Front

Carved the Grand Canyon millions of years ago; was explored and mapped by the Spanish

Back

Colorado

Front

Explored by Lewis and Clark; fourth longest river in the U.S.

Back

Columbia

Front

Connects the Great Lakes with the Atlantic Ocean; forms part of the northeastern border with Canada

Back

St. Lawrence

Front

Gateway to the west

Back

Ohio