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They used Hadley's Quadrant, & Mariner's Compass.

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14y ago
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4d ago

Lewis and Clark used a combination of celestial navigation tools, such as a magnetic compass and sextant, along with basic surveying techniques to create their maps during their expedition. They also relied on notes and sketches made by both members of the expedition and Native American guides to fill in details on their maps.

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Q: What did Lewis and Clark use to make their maps?
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