Sandstone ledges, Pliocene (3525669933)

Sandstone ledges, Pliocene. 1926.
Name of Expedition: 2nd Captain Marshall Field Paleontological Expedition
Participants: Elmer S. Riggs (Leader and Photographer),Robert C. Thorne (Collector), Rudolf Stahlecker (Collector), Felipe Mendez
Expedition Start Date: April 1926
Expedition End Date: November 1926
Purpose or Aims: Geology Fossil Collecting
Location: South America, Argentina, Catamarca
Original material: album print
Digital Identifier: CSGEO69322

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