U.S.P.R.R. Exp. & Surveys--Cal. Geology Plate XIII. Metamorphic rocks - borders of the desert
2015622
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Beinecke Rare Book and Manuscript Library > U.S.P.R.R. Exp. & Surveys--Cal. Geology Plate XIII. Metamorphic rocks - borders of the desert
"C. Koppel" written bottom left corner of the image.