U.S. Geography Quiz
|The ____ River flows between Oregon (OR) and Idaho (ID).
|____ National Park in CA has one of the tallest waterfalls.
|The ____ Mountains National Park is on the TN-NC border.
|The ____ Mountains are in western Massachusetts.
|The ____ Space Center is in Houston, Texas.
|The ____ (Willis) Tower is a skyscraper in Chicago, Illinois.
|The ____ River flows between Washington and Oregon.
|The Great Lakes are Superior, Michigan, ____, Erie, and Ontario.