| 11. | There are over 4, 000 petroglyphs still intact in Sarmishsay.
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| 12. | Northeast Arizona is arid, largely free of Native American petroglyphs.
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| 13. | As of 2011, The Petroglyph Museum functions in the park.
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| 14. | The petroglyphs as currently displayed at Rawlings / Stinson Park in Manchester
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| 15. | In the summer, there are interpretive tours of nearby petroglyphs.
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| 16. | There are also a number of ancient petroglyphs near Valley Falls.
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| 17. | The number of petroglyphs is not known, there are thousands.
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| 18. | California has a large number of pictographs and petroglyphs rock art.
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| 19. | The Greaser Petroglyph Site is located east of Lakeview, Oregon.
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| 20. | Several prehistoric petroglyphs and some modern graffiti exist in the alcove.
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