. The copper-bearing rocks of lake Superior / by Roland Duer Irving. Geology; Geology; Copper ores; Copper ores. ^'wrfs^T^'wsfm. J'rom rein, irt yahiro, 'otn&^ J), â¢^, tZjrni Sca2e. UrxAoccilSe^ clecoynporc^^ re^c/eneci oty iVo-n^ oxz^e^aitd ^ "itel By â fecgnciaT'y ouArts. 7zo.'4. -frQ-yn Lar*oe. * oft^ec^ roc^ mike' ^aoATo of Die Cut n, ' Jffi'nn. Polarx'secl liyTit. Sca2e^ AiA?ne-itTs. ^ua-piz, ' area* of-nlrjcfi eeconqr'to only s-viC tn^ivi£ Please note that these images are extracted

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. The copper-bearing rocks of lake Superior / by Roland Duer Irving. Geology; Geology; Copper ores; Copper ores. ^'wrfs^T^'wsfm. J'rom rein, irt yahiro, 'otn&^ J), â¢^, tZjrni Sca2e. UrxAoccilSe^ clecoynporc^^ re^c/eneci oty iVo-n^ oxz^e^aitd ^ "itel By â fecgnciaT'y ouArts. 7zo.'4. -frQ-yn Lar*oe. * oft^ec^ roc^ mike' ^aoATo of Die Cut n, ' Jffi'nn. Polarx'secl liyTit. Sca2e^ AiA?ne-itTs. ^ua-piz, ' area* of-nlrjcfi eeconqr'to only s-viC tn^ivi£ Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Irving, Roland Duer, 1847-1888. Washington, Govt. Print. Off.

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectgeology, bookyear1883