Williams, M. L.2007-01-032022-02-032007-01-032022-02-03http://hdl.handle.net/11124/5723Date scanned: 2002-6-20.USBM #70711; Foot-control button on sheet rolls. The workman's foot must remain firmly on the control button to keep the rolls operating. In case of emergency, removing pressure from the foot button instantly stops the machine. Huron Portland Cement Company, Alpena, Michigan. - M. L. Williams - November 1948.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 man operates sheet rolls with his foot on the control button, at a machine shop of the Huron Portland Cement Company. The Company began operations on the north shore of Thunder Bay, Michigan in 1901 and was producing cement by 1907. By 1910 it had become the largest cement producer in the world, using limestone quarries around Alpena and Rogers City. The Company was purchased by the Lafarge Corporation in 1986 and continued operations in Alpena.Rights management statement available at: http://library.mines.edu/digital/rights.htmlHuron Portland Cement CompanyIndustrial mineralsPeopleQuarries and quarryingScenes, interiorStillImage