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<br />At 10 miles long, the Lily Park Reach was only ~ third the length of the other reaches <br />and included the area from Cross Mountain Canyon to the entrance of Yampa Canyon <br />(RM 55.5-45.5). Cross Mountain Canyon contains 3-miles of very high-gradient, white- <br />water rapids and was not sampled. The first two miles of the Lily Park Reach were high <br />gradient with cobble substrate originating from Cross Mountain Canyon and numerous <br />riffle-pool sequences. At RM 51, the Little Snake River enters and deposits large <br />amounts of fine sediment, primarily sand, in the remaining 5 miles of this reach. This <br />wide, shallow, sandy channel is often unnavigable except at peak flows. <br /> <br />9 <br />