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Denver, Colorado Assay Collection (123638)

Currency:USD Category:Collectibles / Mining Start Price:180.00 USD Estimated At:360.00 - 600.00 USD
Denver, Colorado Assay Collection  (123638)
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Lot of eleven. 1) A particularly excellent business card for R. R. Waitz, fire assays, electro-lixiviation, chemical analysis, etc. 2) Omaha Grant and Smelting To Yak M&M. For iron. 3) Omaha and Grant Smelting Company. To Yak M&M for iron. 4) 1912 George J. Ermlich. For clay and crude ore. Billhead. 5) American Smelting & Refining. For gold & silver. 6) Henry E Wood certificate of assay. To Yak M&M. For iron. 7) Oscar J Frost assay for AV Plant of the Yak M&M Co. 0.86% copper. 8) J. W. Richards 1910. For the Yak M&M Co. for silver. 9) Henry E Wood Ore Testing Company. 1919. to the Selby Smelting Works. For gold. 11) C. E. DeForest mining and Mechanical engineer and metallurgist billhead. For assay for the Burlington mine. 1 ounce gold and a trace of silver.

Date: 1897-1919
Country (if not USA):
State: Colorado
City: Denver
Provenance:

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