OCR Text |
Show 896 R . 3506 . ) Found the river at Nugget ( Cree'k Creek ) had more sand and there were no gravel bars . Went down the San Juan about 30 miles and left the boat , going back on foot to their camp . ( R . 3507 . ) Noted the sand wave condition which was a ( signifi- signifi ) ( cant ount ) feature of the stream , during his stay there in , 1893-1894 . Seen similar waves on ( the th-e the ) Colorado below the mouth of the San Juan . ( R . 3508 . ) Occur generally when floods come down either in ( summer suminer ) or spring . The sand storms on the San Juan in the Bluff and Mexican Hat vicinity are a little more dense than on the Colorado , because the winds blow over a ( wider ivider ) expanse of sandy desert , sand and silt desert . But in either case they will start to blow in the morning , as a rule , sometimes the winds will last for two or three days , but generally not so severe as if they only last a day . They will start about eight or nine ( o'clock oclock ) in the morning , and by the neighborhood of eleven ( o'clock oclock ) , the sun ( will -will will ) become completely obscured , see . no sign of it , although there are no clouds in the sky . . That continues until possibly four ( o'clock oclock ) in the afternoon , and you will notice in the west a lightening of the air , and soon after that comes up the air begins to clear , and by dark it is perfectly clear again , , the wind has subsided . They are more common in the spring than any other time , although lie has seen them in the latter part of the summer or early faR . ( R . . 3510 . ) |