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template is PDF
Geologic Map and description of Katherine Gold Mine area
template is PDF
Geologic Report on the Property of Sodium Products Corporation
template is PDF
Letter from G. M Butler To Ernest Anderson
template is PDF
Letter from G.M. Butler to Arizona Corporation Commission
template is PDF
Letter from G.M. Butler to Mr. N.S. Potter
template is PDF
Letter from G.M. Butler to Mr. N.S. Potter
template is PDF
Letter from John Cox to G.M. Butler /w response
template is PDF
Letter of Inquiry from W.F. Gohlke to G.M. Butler
template is PDF
Letter of Inquiry: Dr. C. T. Cutting to G.M. Butler / with Response
template is PDF
Report on a portion of the Magma-Apex Copper Company
template is PDF
Sampling and Assay Report