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YEARBOOK, PUBLIC MUSEUM, MILWAUKEE 



[Vol. III. 



narrower, rougher, and more subject to wash-outs in the rainy season. 

 Almost immediately after the branching of the trails, one comes to the 

 "Tip-Off" which is the name given to that portion of the trail leading 

 down the slope of the Granite gorge to the suspension bridge over the 

 river. It is said by the guide, to be no steeper than some portions of 

 the Hermit and Bright Angel trails, but to the casual visitor it appears 

 much more formidable, as it leads down a wall of rock about fourteen 

 hundred feet in height by a series of "zig-zags" one directly below the 

 other and nearly every portion of the trail is visible from the starting 



Fig. 27. — The Kaibab Suspension Bridge over the Colorado River, 

 Grand Canyon, Arizona. 



point. Where the "Red Saddle" is crossed there is a level stretch a 

 few hundred yards in length and then the descent continues to the 

 end of Kaibab suspension bridge. 



This bridge, shown in figures 26 and 27 was erected some years 

 ago by the National Park Service, to replace a cable crossing which 

 had previously served to convey parties across the river at this place. 

 It is suspended on heavy wire cables stretched across the river and 

 anchored in masses of concrete on the rocks at either side. Its length 

 is about three hundred and fifty feet and the width of the passageway 



