answersLogoWhite

0

How much? He mapped about 4 million sq/kms more than any other person. How many voyages depends. He seemed to be always on the move between 1797 and 1814 and even after that. He traveled from coast to coast at a time when few people had any idea what was west of the Mississippi.

User Avatar

Wiki User

11y ago

What else can I help you with?