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  Search result  Your search for [author]Boericke, William Fay, 1884- returned 2 records.  
 
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  Book Placer operations of North Mindanao Mining Co., Surigao, Mindanao.

by Boericke, William Fay, 1884-; Manila: Bureau of Print., 1939.

Subject: Hydraulic mining; Gold mines and mining -- Surigao; North Mindanao Mining Company.

  
     
Relevance: 34.86%
 
     
  Book Prospecting and operating small gold placers.

by Boericke, William Fay, 1884-; New York: Wiley, 1936.

  
     
Relevance: 30.76%
 
     
 
         
         
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