Document: Appendices to Pacific Southwest Water Plan Review Draft "Bureau of Outdoor Recreation", August 1963, page 3and debris through the canyon would be lost and much of this material would be deposited in and along the sides of the river bed. Opportunities would no longer exist to enjoy the unique recreation values of exploring the area by river, through the rapids and falls, an experience that has attracted wide interest. With the high dam that has been proposed, the reservoir would flood a portion of Havasu Creek, which is within Grand Canyon National Park and is a spring-fed stream of unusual beauty, unique in that part of the country. Access to both the Bridge Canyon and Marble Canyon impoundments will be severely restricted by s...