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Show In the course of ( tins this ) work 769 it was necessary , for ( Liin him ) to cross the river from time to ( tirne time ) . ( R . 2961 . ) They used a motor boat , the Riff ( Climber Cthaber ) , , , and in one or two instances a rowboat to go short distances . ( R . 2962 . ) They used the boat as a ( means nicaus ) of transportation , to take them to their work up and down the river . ( R . 2962 . ) The work started on those two permits at that time was ( cbm- cbm ) pleted ; that is , the retracement of the permits as defined by the existing coroners . They later did further work ( on oin ) that , ( R . 2962 . ) In the operation of the boats , while making the survey , they experienced difficulties in running on to sand bars . In going across the river from [ Shafer well ] ( 3STo No ) . ( 1 I ) to points west , or south of the river , they had continual difficulty there ; bars seem to change at that point , which was known as the San Juan landing , possibly more frequently than any other place that they encountered ; sometimes it was necessary to go amile down the river and come back ( sup uip ) a channel on the south side of the river , because it was impossible to get through on account of a bar that ( had bad ) formed since they had been there on the day previous . They went ( 011 on ) the first ( trip- trip ) they made one trip overland to the John H . Shafer ( permit perinit ) , which is about eight miles down the river , and ( came caine ) back part way by boat when they were stranded ( 011 on ) a sand bar , and left the boat that night ( and alid ) walked into ( camp calup ) , close to a mile . The boat came up the next day , was able to get off after |