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1 L. C. Ilsley, State Mining Laws on the Use of Electricity in and about Coal Mines 1 (1920)

handle is hein.usfed/stmlwue0001 and id is 1 raw text is: 



Technical Paper 271

          DEPARTMENT   OF THE INTERIOR
              JOHN BARTON PAYNE. SECRETARY
                 BUREAU OF MINES
             FREDERICK G. COTTRELL, DmECTOnR,





  STATE   MINING LAWS ON THE USE OF

       ELECTRICITY IN AND ABOUT


                 COAL MINES






                       BY


                   L. C. ILSLEY


      WASHINGTON
GOVERNMENT PRINTING OPPICE
          1920