California as an Island Hits the KZSU airwaves!

Planisphere terrestre : suivant les nouvelles observations des astronomes = Planispherium terrestre : secundum recentiores astronomorum observationes.
May 18, 2017
by Mr. Stace D Maples

How is it that for hundreds of years California was depicted as an island on maps? The Stanford University Library's cartographic experts know...