About 17 million years as we know it today.
a river that has water in it.
The Colorado River is used for rafting and recreation, also you could go swimming in some parts of the Colorado river.
The Colorado River Basin stretches from Wyoming to Mexico.
no
yes!!!!!!!!!!!
No.
Yes, the Colorado River runs through Arizona. if you go on http://alliance.la.asu.edu/maps/AZPHYSICAL.PDF, you can see the Colorado River on this map.
No, although some water from the Colorado River finds its way into the Platte through diversion projects.
About 2 hours and five minutes.
1 hour and 21 minutes
It depends how wide, or deep is the river.
The Colorado river flows through the states Arizona, Colorado, Nevada, California, New Mexico, Utah and Wyoming in the USA