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Show Nature Carves Perfect Arch f. .......................... ......... ........... .... kcv y-jy", . .... : - . Engineers may easily learn a lesson from nature whicb through the ages by erosion caused by wind, sun, rain and frost has carved a perfect arch to form the natural bridge in Bryce Canyon Can-yon National Park in southern Utah. In this colorful region fantastic fan-tastic sculptuesque formations reveal the weird quirks of nature at work, of which the natural bridge is but one. Union Pacific Railroad Pboto, |