"sandbars several times were badly struck below Geans operations for about 45 minutes. Trip might not have been possible a week or 10 days later. Larson believes that construction of Bridge Canyon Dam will undoubtedly result in some channel clearing which should make possible float trips again. Had lunch at Separation Canyon & were photographed by plague com- memorating 3 who left Amelia port, Larson to sand 4 points of month of Havasu Canyon. He & I discussed our joint studies & I urged that so-called multiple purpose projects include recreation as one of purposes actually planned provided for, instead of merely writing off as irreparable a large part of project cost because of surrounding scenery, as at BC D. He agreed. He agreed that we in NPS needed to refine recreational evaluations further. Straus was non-committal on suggestions that BC bills should be amended to limit dam height to 1877. But both he & Larson say higher dams impossible. I do not