Dorian Hargrove 7 p.m., March 4
Posted December 22, 2005
Stories this photo appears in:
Perforations galore pock the soft sedimentary canyon walls of Arroyo Tapiado in Anza-Borrego Desert State Park.
Along the canyon walls of Anza-Borrego's Arroyo Tapiado ("Mudwall Wash"), weathering and erosion acting on friable sedimentary rock have produced a strange kind of topography known by some geologists as pseudokarst. Like karst topography, which ...