File:Pneumatic Drill MI 1916.jpg

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Description

Miner using a pneumatic drill, Calumet & Hecla copper mines, Michigan, USA, circa 1916

Source

US Library of Congress, http://lcweb2.loc.gov/cgi-bin/query/D?ils:735:./temp/~pp_5IoR::@@@mdb=fsaall,brum,detr,swann,look,gottscho,pan,horyd,genthe,var,cai,cd,hh,yan,lomax,ils,prok,brhc,nclc,matpc,iucpub,tgmi,lamb,hec,krb

Date

1916

Author

"Keystone"

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current15:53, 22 November 2009Thumbnail for version as of 15:53, 22 November 2009608 × 640 (66 KB)Plazak (talk | contribs){{Information |Description = Miner using a pneumatic drill, Calumet & Hecla copper mines, Michigan, USA, circa 1916 |Source = US Library of Congress, http://lcweb2.loc.gov/cgi-bin/query/D?ils:735:./temp/~pp_5IoR::@@@mdb=fsaall,brum,detr,swann

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