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AZ670185vV petroglyphs, from the Hohokam culture, on Signal Hill in Saguaro National Park, Arizona ©Dennis Flaherty
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| NM350306 pictographs-Chaco Canyon State Historic Park, Utah ©Dennis Flaherty
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| NM350306 Chaco Canyon State Historic Park, Utah ©Dennis Flaherty
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| NM350310 pictographs at Chaco Canyon National Historic Park, New Mexico ©Dennis Flaherty
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OV1164hdr2 these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1164hdr2 these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1164hdr2 these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1201bN these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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OV1201bN these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1201bN these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1224b2 these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1224b2 these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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OV1224b2 these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1224h these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1224h these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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| OV1224h these Curvilinear abstract style petroglyphs are overlooking the Owens Valley near Bishop, CA ©Dennis Flaherty
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