Relation Of The Wissahickon Mica-gneiss To The Shenandoah Limestone And To The Octoraro Mica-schist, Of The Doe Run-avondale District, Coatesville, Quadrangle, Pennsylvania

This classic geology monograph describes the complex geological formations of the Doe Run-Avondale district in eastern Pennsylvania. It includes detailed descriptions and diagrams of rock formations and is an essential reference for geologists and anyone interested in the geology of the eastern United States.

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