01350cam a22003131 4500 gs 05001118 DLC 20260227111302.0 751003s1898 wiubf s000 0 eng gs 05001118 (OCoLC)1672540 DLC ViW DLC premarc QE179 .A2 no. 3 QE461 .W4 Weidman, Samuel, 1870- A contribution to the geology of the pre-Cambrian igneous rocks of the Fox river valley, Wisconsin. By Samuel Weidman. Madison, Wis., Published by the state, 1898. iv, 63 p. x pl. (incl. maps, 1 col.) diagrs. 24 cm. Wisconsin. Geological and natural history survey. Bulletin no. 3. Scientific series no. 2 Several plates accompanied by leaf with brief description. "Some previous work on microperthite and soda-microcline": p. 58-63. I. The Utley metarhyolite.--II. The Berlin rhyolite-gneiss.--III. The Waushara granite. Geology, Stratigraphic Precambrian. Geology Wisconsin Fox River Valley. Igneous rocks. Wisconsin Geological and Natural History Survey. Bulletin ; no. 3. Wisconsin Geological and Natural History Survey. Scientific series ; no. 2. 24348 24348