Pearce, Clyde M.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/6106Date scanned: 2002-6-7.USBM #61197; Detonator magazine, Melrose Granite Company, St. Cloud, Minnesota. Vaults formed of large granite blocks with a 3-ton granite block for a cover. - Clyde M. Pearce - July 1945.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.A detonator magazine constructed of four large granite blocks is shown in an area partially overgrown with weeds at the site of a granite quarry in Minnesota. Granite blocks, quarrying equipment and a building are shown in the background.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMelrose Granite CompanyExplosivesGranite industry and tradeQuarries and quarryingStillImage