River Statistics (includes river use statistics for calendar year 2008 plus statistics for all lotteries held for calendar year 2008 launch dates) - PDF file, 340kb
Calendar Year 2007
River Statistics (includes river use statistics for calendar year 2007 plus statistics for all lotteries held for calendar year 2007 launch dates) - PDF file, 300kb
Did You Know?
In Grand Canyon, the broad, sandy expanse on the north bank of the Colorado River is Unkar Delta, composed of rock debris carried from the North Rim by Unkar Creek. Prehistoric Pueblo people occupied numerous sites on Unkar Delta and along Unkar Creek for about 350 years (A.D. 850 to A.D. 1200)