A Contribution to the Geology of the Pre-Cambrian Igneous Rocks of the Fox River Valley, Wisconsin (Classic Reprint)/fr-ca/a-contribution-to-the-geology-of-the-pre-cambrian-igneous-rocks-of-the-fox-river-valley-wisconsin-classic-reprint/6319652F-DA03-48F0-A7BB-D3D148839894.html6319652F-DA03-48F0-A7BB-D3D148839894
A Contribution to the Geology of the Pre-Cambrian Igneous Rocks of the Fox River Valley, Wisconsin