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1884 August 7, Awbury, to My dear Nephew
1889 August 5, Awbury, to Dear Nephew
1900 October 30, Awbury, to My dear Chellie
1868 October 5, Newport, to My dear Chellie
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Schuylkill structures.
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Gladwyne structures.
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Wissahickon Creek structures.
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Barmouth structures.
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Fairmount Structures.
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the compositional layering and Fairmount schistosity.
Correlation of Geophysical and Petrographic Studies Across the Rosemont Fault
Correlation of Geophysical and Petrographic Studies Across the Rosemont Fault
Correlation of Geophysical and Petrographic Studies Across the Rosemont Fault
Correlation of Geophysical and Petrographic Studies Across the Rosemont Fault
Correlation of Geophysical and Petrographic Studies Across the Rosemont Fault
The Geology of the Rosemont Fault near Rosemont, Pennsylvania