Sharp Arch Natural Bridge (1928) NAU.PH.2005.3.2.19.4 Natural bridge at Wild Horse Mesa (1928) NAU.PH.2005.3.2.21.4 Natural arch (1928) NAU.PH.2005.3.2.25.3 Sharp Arch (1928) NAU.PH.2005.3.2.25.4 Sharp Arch (1928) NAU.PH.2005.3.2.1.22 Sharp Arch (1928) NAU.PH.2005.3.2.1.22 Sharp Arch (1928) NAU.PH.2005.3.2.25.1 Sharp Arch (1928) NAU.PH.2005.3.2.27.1 Sharp Arch (1928) NAU.PH.2005.3.2.25.2 Sharp Arch (1928) NAU.PH.2005.3.2.25.5
