Truncated crossbeds in Quaternary sediments Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17084 Comments:

Quaternary conglomerate Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17148 Comments:

Soft sediment deformation in Quaternary deposits Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17148 Comments:

Sandstone boulder with lisegang banding Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17090 Comments:

Sauropod long bone Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17099 Comments:

Recent mud cracks Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17091 Comments:

Recent ripple marks Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17093 Comments:

An aspiring fossil - a buried cow skeleton Location: Trail to the Big Wing Site, Big Bend National Park, TX Year: 1993 Merckslides catalogue number: 06-17092 Comments:

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