01072cam a22002651 4500 gs 07001030 DLC 20260227111306.0 751008s1906 wiuab s001 0 eng gs 07001030 (OCoLC)1684905 DLC ViW NSbSU DLC premarc QE179 .A2 no. 15 Ries, Heinrich, 1871-1951. The clays of Wisconsin and their uses. By Heinrich Ries. With a report on molding sands, by H. Ries and F. L. Gallup. Madison, Wis., Published by the state, 1906. xii, 259, [3] p. illus., XXX (i. e. 31) pl. (part fold., incl. front., maps) fold. tables, diagrs. 23 cm. Wisconsin. Geological and natural history survey. Bulletin no. 15. Economic series no. 10 Clay Wisconsin. Sand. Gallup, F. L. Wisconsin Geological and Natural History Survey. Bulletin ; no. 15. Wisconsin Geological and Natural History Survey. Economic series ; no. 10. 24664 24664