Educational Map Series: The Portolian Collection old map of illinois Marked in red is the

Marked in red is the location of the gold fields and the major routes to these fields

"Due to the unique nature of our maps all sizes are approximate

black bears and red wolves

white birch

created by Joan Vinckeboon

Educational Map Series: The Portolian Collection old map of illinois Marked in red is theThe 13th century witnessed advancements in exploration with the emergence of the Portolan chart. While a certain amount of mystery surrounds the origin of these charts, cartographic historians broadly maintain that portolans came about as a result of combining the learned culture of the Byzantines and Arabs with the knowledge oThe 13th century witnessed advancements in exploration with the emergence of the Portolan chart. While a certain amount of