None
Edward Eyre did not discover or name any rivers.
yes
fransico coronado explored the mississsippi river
about 1540s
new Spain
New Mexico, Arizona, and Colorado.
In 1539
He discovered Mexico City.
He discovered the Grand canyon and the Colorado River
1789
the grand canyon
Captain Garcia Lopez de Cardenas of the Coronado expedition was taken there by his Hopi guides in 1540.