Across
- 4. Daniel _____ was a famous American frontiersman and explorer, known for his skills in land surveying.
- 7. A precise instrument used for measuring angles.
- 10. A Satellite-based navigation system that provides precise location information.
- 11. A method of determining distances using triangles.
- 13. This tool helps surveyors determine direction.
Down
- 1. Surname of the third President of the United States, who was a land surveyor and is known for the Louisiana Purchase.
- 2. Pertaining to the measurement of the Earth's shape.
- 3. Surname of the first President of the United States and a skilled land surveyor in his youth.
- 5. Meriwether _____ and William Clark were explorers and surveyors who led an Expedition to explore the western portion of the United States.
- 6. The line that marks the edge of a property.
- 8. First name of the 16th President of the United States, who also worked as a land surveyor before entering politics.
- 9. _____ Thompson was known for his extensive mapping and surveying of western North America during the late 18th and early 19th centuries.
- 12. A system used to capture, store, analyze and display geographic data.
