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The Structure of the Glenarm Supergroup in Chester County, Pennsylvania
The Structure of the Glenarm Supergroup in Chester County, Pennsylvania
A Field Study in the Relationship of Baltimore Gneiss, Cockeysville Marble and Wissahickon Schist in the Vicinity of Marshallton, Pennsylvania
The Petrology of the Honeybrook Anorthosite, Chester County, Pennsylvania
The Petrology of the Honeybrook Anorthosite, Chester County, Pennsylvania
The Petrology of the Honeybrook Anorthosite, Chester County, Pennsylvania
Investigations of the Origins and Metamorphic History of Pre-Cambrian Gneisses Downingtown 7.5 Minute Quadrangle, Southeastern Pennsylvania
Valley Forge 75 Minute Quadrangle, Research Map
Valley Forge 75 Minute Quadrangle, Research Map
Chester 15 Minute Quadrangle, Research Map
Chester 15 Minute Sheet, Research Map
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
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
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
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
A Field Study in the Relationship of Baltimore Gneiss, Cockeysville Marble and Wissahickon Schist in the Vicinity of Marshallton, Pennsylvania
A Field Study in the Relationship of Baltimore Gneiss, Cockeysville Marble and Wissahickon Schist in the Vicinity of Marshallton, Pennsylvania
Igneous and Metamorphic Petrology of the Honey Brook Uplands in the Elverson, Pottstown and Phoenixville 7.5 Quadrangles, Southeastern Pennsylvania
A Field Study in the Relationship of Baltimore Gneiss, Cockeysville Marble and Wissahickon Schist in the Vicinity of Marshallton, Pennsylvania
A Field Study in the Relationship of Baltimore Gneiss, Cockeysville Marble and Wissahickon Schist in the Vicinity of Marshallton, Pennsylvania

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