Preliminary Report on Bloating Properties of Certain Wisconsin Rocks: WARF Project No. RF55:193 Open-file report; contains unpublished data that has not yet been peer-reviewed. Data and Resources WOFR1956-01 Preliminary Report on Bloating Properties of Certain Wisconsin Rocks: WARF Project No. RF55:193 Hanson, G.F.; Barker, G.; 1956 Report: 8 p. Download Related Collections Open-File Report View Open-File Report