The Economic Possibilities of Manufacturing Portland Cement in Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Nonmetallic Minerals Rocks and Minerals Data and Resources WOFR1923-01 The Economic Possibilities of Manufacturing Portland Cement in Wisconsin Hotchkiss, W.O.; Bean, E.F.; 1923 Report: 17 p. Download Related Collections Open-File Report View Open-File Report