Rivers and Lakes in the USA

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Across
  1. 3. River that flows through the Pacific Northwest.
  2. 7. First word in the name of a famous Adirondack lake.
  3. 8. River that flows through several states, including Colorado and Arkansas.
  4. 12. Largest of the Great Lakes.
  5. 13. River that forms a portion of the Texas-Oklahoma border.
  6. 14. First word in the name of a Texas border river.
  7. 15. River that flows through Yellowstone National Park.
  8. 17. Tributary of the Mississippi River.
  9. 18. Second-largest of the Great Lakes.
  10. 20. Alpine lake located in the Sierra Nevada mountains.
Down
  1. 1. River that flows through Washington, D.C.
  2. 2. Lake located between New York and Vermont.
  3. 4. Longest river in the United States.
  4. 5. River that connects Lake Erie and Lake Ontario, famous for its falls.
  5. 6. First word in the name of an Oregon lake known for its unique formation.
  6. 9. River that joins the Mississippi near St. Louis.
  7. 10. First word in the name of a series of lakes in the northern U.S.
  8. 11. Fourth-largest of the Great Lakes.
  9. 16. River that carved the Grand Canyon.
  10. 19. River that flows through New York City.