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POPULAR SCIENCE MONTHLY. 



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Fig. 10 — The Art Gallery. 



Monument Rocks near Colorado Springs are well known for their 

 fantastic shapes, but another set of similar monuments in southern 



Colorado are not so fa- 

 miliar, and have been 

 formed in a different way. 

 Those near Colorado 

 Springs are due to a hard 

 spot in the rocks acting as 

 a kind of roof for the por- 

 tions below, but in the 

 other case the resistance 

 has been offered by frag- 

 ments of basalt rolling 

 down to a plain from a 

 neighboring hilltop, and 

 assuming protection over the area upon which they happened to rest. 

 Thus they soon found themselves topping numerous adopted monu- 

 ments twenty or thirty feet high (Fig. 11). 



One of the most out-of-the-way regions left within our bound- 

 aries is that lying around the junction of the Grand and Green 

 Rivers in eastern Utah. These two rivers, flowing at this point in 

 canons about twelve hundred feet deep, come together in a 

 canon thirteen hundred feet deep to form the Colorado. You climb 

 out from the junction by a narrow crevice, and on top find yourself 

 on a barren, much-cut-up plateau. The surface is verdureless, consist- 

 ing for the most part of bare rock 

 split by numerous crevices. You 

 are in the midst of " The Land of 

 Standing Rock," as the Indians 

 call it. Powell, in referring to 

 this locality, says : " We must -not 

 conceive of piles of bowlders or 

 heaps of fragments, but a whole 

 land of naked rock, with giant 

 forms carved on it; 

 cathedral - shaped 

 buttes towering 

 hundreds or thou- 

 sands of feet; cliffs 

 that can not be scaled, and canon walls that shrink the river into insig- 

 nificance; with vast hollow domes, and tall pinnacles and shafts set 

 on the verge overhead." Xear and far in all directions the eye en- 

 counters pinnacle after pinnacle, butte after butte, cliff after cliff, 

 like a stone forest, impassable, impenetrable, except to the trained 



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Fio. 11. — Basalt Topping Earth. 



