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Petroglyph Canyon : ウィキペディア英語版 | Petroglyph Canyon
Petroglyph Canyon (24CB601) is an archaeologically significant canyon in the northwestern United States. Located on both sides of the border between Montana and Wyoming, the canyon has long been obscure due to its small size. However, it gained substantial attention in the late 20th century because of its numerous prehistoric petroglyphs, and much of it was named a historic site in the 1970s. ==Geology== Petroglyph Canyon's most significant portion is located in the southern half of Section 35, Township 9 South, Range 26 East, within far southern Carbon County, Montana.〔 The entire canyon runs in a northwest-southeast direction for approximately ,〔Sinafoos, Charles, and John Taylor. "(Domestic Geographic Name Report: Petroglyph Canyon )". Board on Geographic Names, 1991-10-01. Accessed 2013-06-16.〕 beginning 1 mile north of the most significant area and extending approximately into Big Horn County, Wyoming.〔 The walls and boulders in the canyon are primarily sandstone, having been weathered to a dark brown color, although under the surface the stone is a lighter tan color.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Petroglyph Canyon」の詳細全文を読む
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