Bryan Rock Products, Inc. and Subsidiary - Page 5

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          In Minnesota, railroads generally use granite, gabbro, or                   
          taconite for ballast.  Dolomite is not generally used because it            
          is softer than desirable.                                                   
               Rubble is a loose mass of angular fragments of rock or                 
          masonry crumbled by natural or human forces and irregular                   
          fragments or pieces of rock used in masonry or the masonry made             
          with such rocks.  The type of angular rock which may be                     
          incorporated in the rubble could be virtually any type of rock              
          that is used in manmade structures.                                         
               Petitioner processes and sells the dolomite that it mines              
          for the following products:  driveway and road base rock;                   
          concrete aggregate; utility and bedding rock; and "specialty                
          rock".  "Specialty rock" includes rip rap, agricultural lime                
          (aglime), red ball diamond aggregate, and landscaping rock.                 
          Petitioner did not sell dolomite for use as ballast during the              
          years at issue.                                                             
               Petitioner sells driveway and road base rock, which is                 
          available in sizes ranging from a maximum3 of 3/8" to a maximum             
          of 3" in diameter, for use as a base upon which a driveway or               
          road surface (concrete or asphalt) is laid.  This product                   
          includes dolomite fines, a powdery material created when dolomite           



               3  Each product size actually includes a range of rock                 
          sizes.  The maximum size within that range is used to label that            
          size.  For example, 1-3/4" size rock may range from 3/4" to 1-              
          3/4"; the 3/4" size may range from 5/15" to 3/4".                           




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Last modified: May 25, 2011