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Upper Merion Area, Sample Location Map
Research Map. Crushed Rocks. Philadelphia.
Research Map. Crushed Rocks. Mylonites. Cataclastic rocks. Philadelphia.
Research Map. Crushed Rocks. Mylonites. Cataclastic rocks. Philadelphia.
Staurolite-Kyanite Subfacies. Philadelphia.
Research Map. Kyanite Associated Minerals.
Granitized Mica Schists. Philadelphia.
Research Map. Isograds. Philadelphia.
Staurolite Kyanite Subfacies
Research Map. Chloritized Rocks. White Chlorite. Tourmaline. Philadelphia.
Research Map. Granitized Rocks. Philadelphia.
Sample Location Map, Delaware River Area
Geologic and Structural Map of Gneiss Complex in Southeastern Montgomery County
Geologic Map of Ithan Creek Valley
Geologic Map
Hornblende Schist
Crum Creek just south of the Leiper Quarry Swarthmore, Pennsylvania
Chloritized Mica Schists. Philadelphia.

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