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The general course of the Rio Colorado with main lines of drainage from the Grand Canon to the Gulf of California is shown in the following diagram.
[[drawing of the Colorado River and tributaries, including states Utah, Nevada, Arizona and California and Mexico, as well as some mountains and ranges and elevations]]
SKETCH SHOWING THE GENERAL COURSE AND TRIBUTARIES OF THE COLORADO RIVER
[[underline and in red]] FIGURES IN RED FOR ELEVATION [[/underline]]
in feet [[/red]]