Contact schist and spherical weathered porphyry. Lawrence County, South Dakota. n.d.
Summary
Album caption: XXXV B 30. Contact schist and spherical weathered porphyry, schist deformed by talus. Lawrence County, South Dakota. Handwritten notes on album caption: See mounted photo in file.
Summary
Album caption: XXXV B 30. Contact schist and spherical weathered porphyry, schist deformed by talus. Lawrence County, South Dakota.
Handwritten notes on album caption: See mounted photo in file.
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Material Request Instructions
Available in the U.S. Geological Survey Denver Library Photographic Collection, Jaggar, T.A., Jr. Collection.
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