GRD00M6S0
S-490
Quartz Sandstone
Paleozoic › Silurian
416.0
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444.0
0
Ritter 154 › Cabinet 23 › Drawer F
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Original label: Tuscarora (upper).
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Pennsylvania
Susquehanna gap in Blue Mt. on Highway 11, 6 miles north of crossing to Harrisburg, between Enola and Marysville
Latitude: 40.31°
Longitude: -76.92°
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