No. The existence of the Colorado River was first noted in written histories going all the way back to 1539. And actually, the Colorado River started to form the Grand Canyon long before life even existed on Earth.
40-60 million years old
40-60 million years old
470 years old
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.
The Colorado River is the longest river in the state of Arizona. The Colorado River flows through the Grand Canyon.
The Colorado River forms the border between Arizona and California.The Colorado River.