He discovered the Grand canyon and the Colorado River
He discovered the Colorado River valley for Spain.
Colorado River.
The Colorado River runs through the Grand Canyon
The Colorado River.
Green, Colorado, Bear, Jordan, and Sevier.
The Colorado River.
The Colorado River passes through the Grand Canyon in the northwest part of Arizona.The Colorado River, and not the Little Colorado River or the Colorado River of Texas.Colorado river
Colorado River, which flows through the Grand Canyon drains into the Gulf of California or do you mean one of - Colorado River (Texas) Colorado River (Argentina) Colorado River (Costa Rica) Colorado River (Chile) Colorado River Compact
The Colorado River flows through the grand canyon.
Because one of them was discovered and mapped before the other.
The Colorado River is the longest river in the state of Arizona. The Colorado River flows through the Grand Canyon.