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Pipestone National Monument - http://www.nps.gov/pipe/
Official National Park Service site. Brief history, hours, maps, information on facilities. |
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The Pipestone Petroglyphs - http://www.tcinternet.net/users/cbailey/PipeTom.html
Article on an anthropological mystery, by Thomas D. Thiessen. Petroglyphs near the Three Maidens were removed in the late nineteenth century, perhaps in a misguided attempt at historic preservation. |
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Historic Preservation: Pipestone National Monument - http://www.mnhs.org/preserve/shpo/pipestone.html
The Minnesota Historical Society presents an 1881 pen-and-ink drawing of what later became the first national monument in the United States. |