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LOCATION |
CLICK ON IMAGE FOR HIGH RES. |
| Erie 42.13N, 80.09W |  |
| Brakney 41.99N, 75.93W |  |
| Tarrtown Quarry 40.86N, 79.50W |  |
| Chartiers Creek 40.41N, 80.09W |  |
PENNSYLVANIA SAND SAMPLES |
Click on the Map to go to the USGS Site |
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GO TO PRE 2016 PENNSYLVANIA |