Pardo led a second expedition (1567-1568) into the Piedmont interior and Appalachians to find a land route to Zacatecas, where the Spanish had silver mines they wanted to protect.
Pardo led a second expedition (1567-1568) into the Piedmont interior. Pardo Appalachians to find a land route to Zacatecas. The Spanish had silver mines. They wanted to protect silver mines.