Currently viewing the tag: "Pictographs"
1999-17

Nature of a Whewellite-Rich Rock Crust Associated with Pictographs in Southwest Texas (1999-17)

On September 22, 2008 By

A whewellite-rich rock crust covers vast areas of limestone inside dry rock shelters and under rock overhangs throughout the Lower Pecos Region in southwestern Texas (USA).

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NCPTT

Lichens: The Challenge for Rock Art Conservation

On August 13, 2007 By

Debra Elaine Dandridge, Lichens: The Challenge for Rock Art Conservation, a Ph.D. dissertation submitted to the Office of Graduate Studies, Texas A&M University.

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