Show U. U S. S GEOLOGICAL 1 MAPPING THE GREAT OREA CANYON A party of ot engineers or tho the United st States tes geological survey left Flagstaff Flagstaff Flag Flag- staff starr Arz Ariz for Leos Leo's Ferry on the Colorado river The party parLy Is composed composed composed com com- posed of ten men with C. C H. H Birdseye Birdseye Birds Birds- eye as chief Four experienced d river boatmen have been engaged to pilot the party down the stream Ow Owing ng to the continued high stage of the stream extra precautions have been taken to lo insure the safety of the ex ex- For the tho first time in the history of the tho ons of the geological survey survey survey sur sur- vey on the Colorado river a radio outfit Is included in the equipment for the purpose of keeping in communication communication communication with headquarters A motion motion motion mo mo- tion picture outfit is also included Inthe in inthe inthe the paraphernalia It IUs is the intention this year to penetrate into tho thelow low lower er fastnesses of the canyon sections of which have never been thoroughly explored The party is scheduled to emerge from the canyon the middle of November If the program Is carried carout carried car car- ried out to Its Us completion the entire length of the Colorado river together er with I its s tributary y str streams and canyons in tn the tue intermountain area will have been mapped out Work along these lines has been going on from both ends of tho the canyon canyon can can- can I yon for a number of years The Green and San Juan riv rivers rs are in- in Included In eluded in this work every gorgo gorge haTIng haying haying hay haT ing been contoured and mapped This work will have a bearing on the proposed dams in n the canyon of the Colorado giving a definite Idea as to the and strength required to lo insure the permanence of the dams to be constructed It is understood that the government will use use tho the motion moton mo mo- ton tion picture films taken talen on this expedition expedition expedition ex ex- throughout the country in enlightening the people as to the thereal real conditions confronting the engineers and also to show how floods can be prevented and tho the waste of the im immense m- m mense flow of the Colorado river dyer waters waters wat- wat ers be stopped |