A Map Showing the Progress of Discovery on the West Coast
Kohl innovated the use of color along the coasts to indicate the stages of discovery along the coast as well as the interior.
Antique maps may command high prices today, but this wasn’t always the case. Here we examine how old maps came to be considered valuable, which was related to the rising popularity of historical atlases and the campaign to create a national archive of maps at the Library of Congress.
Kohl innovated the use of color along the coasts to indicate the stages of discovery along the coast as well as the interior.
Here Kohl carefully identified river voyages as well as coastal discovery, from the sixteenth century to his own day