Photograph of dust accumulation. Light tan colored dust is shown between vegetation and basalt boulders.
Photograph of dust accumulation. In areas along the West Mesa escarpment that are adjacent to disturbed lands or developments, dust accumulation is visibly altering the naturally dark-brown or black color of the landscape.
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NPS photograph courtesy of Dale Kissner (Petroglyph National Monument).
Public domain:Full Granting Rights
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Petroglyph National Monument, Code: PETR
Petroglyph National Monument, Bernalillo County, New Mexico Latitude: 35.1231994628906, Longitude: -106.758003234863