Across
- 3. the symbols on a map that give the directions of north, south, east and west
- 4. a place that protects animals and plants from becoming extinct
- 6. an area in North-Central Oklahoma that has many salt deposits
- 7. a box on a map that tells you what the symbols on the map mean
- 9. one of the oldest mountain ranges in the United States
- 10. the second largest city in Oklahoma
- 11. this lake was formed when workers built a dam on the Red River
Down
- 1. landforms like rivers, mountains, and lakes
- 2. a map that shows landforms of an area
- 5. the river that forms part of the border between Oklahoma and Texas
- 8. the largest city in Oklahoma