Carlsbad, New Mexico

    El Capitan above, cyclic sediments in the Brushy Canyon Formation below

    A pendant sponge, Lemonia (center, vertical) hanging from a large platy sponge, Guadalupia Zitteliana
        (horizontal, above center) on the Permian reef trail

    Earle McBride examines Permian cycles in Rocky Arroyo

    Tepee in the Caverns Parking Lot

    Fenestral fabric in the Tepee

    Pisoids in the Tepee

    Ammonites living in the Tepee

    Tina Brister and Emily Lu descending into Carlsbad Caverns

    Stalagmites in the Caverns

   A distinctive stalagmite in the Caverns

    Cave pearls

Alamagordo, New Mexico

    Dennis Ruez views the overlook from the Sacramento Mountains (White Sands barely perceptable in background

    The whole crowd from the Sacramento Mountains overlook: Can you find your child?

    A near-vertical igneous dike cross-cutting near-horizontal Pennsylvanian strata

    White Sands gallery:

        Roman Pineda, Earle McBride, Adam Dunn, Shane Valentine, Tina Brister, Reilly Holgreen, and Tom Miskelly align themselves in direction of gysum sand grain transport

        A storm approaches

        The aftermath of Josh Bray's Karate Kid seagull kick

        Katie Woodruff elevates in launch onto lee face of dune

        Mary Megan Harrison and Matt Van Wie making UT in the sand, and the final product

        Hi on White Sands

        The group at White Sands

Durango, Colorado

    Near Molas Pass, Tom Miskelly, Jay Banner, Riley Holmgreen, Chadwick Hintz, unknown, and Matt Van Wie head down through 200 million years of geologic time

    Sand and mud channel in the Pennsylvanian Molas Formation

    Mississippian Ouray-Leadville limestone (grey) paleokarst breccia with Pennsylvanian Molas Formation mud infill (red)

    Burrows in the McCracken Formation

    Aaron Abel, Jonathan Skaggs, Roman Pineda, and Eric Wofford take notes in the shade at the Dolores Formation