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Show 3235 Dent- D 1260 At mile 78 1/ 2, approximately, is the mouth of the San Juan river. This is sheet 6. Beginning at the mouth of the San Juan river we began to encounter sand waves, and I simply made a general note, " San waves", as covering the section on from mile 78 to 74. BY THE SPECIAL MASTER: Q From your previous experience are you familiar with that phenomenon? A I never saw it before, sir. Q Will you describe it as you saw it here? A In the first place, the sand waves as noted were always at point where the water was comparatively swift, and by talking soundings with an oar we found that the water was comparatively shallow. As we observed one of those places, the phenomenon second to run through a rather distinct cycle. We would note that the surface of the water was very choppy, a series of little wave covering this, what might have been considered a very minor rapid point of swift water with a very choppy surface. Without apparent reason, or other warning, these waves, these chops, would suddenly develop into a series of well- defined, smooth, undulating waves. They differ from |