![Agronomy / Erosion / Industrial agriculture / Soil science / Geomorphology / Mountain / Ridge-and-Valley Appalachians / Valley / Geography / Physical geography / Environmental soil science Agronomy / Erosion / Industrial agriculture / Soil science / Geomorphology / Mountain / Ridge-and-Valley Appalachians / Valley / Geography / Physical geography / Environmental soil science](https://www.pdfsearch.io/img/bdf351a3d190528c38c26e402df77bd1.jpg)
| Document Date: 2010-09-20 14:03:18 Open Document File Size: 71,14 KBShare Result on Facebook
NaturalFeature APPALACHIANS / West Branch Susquehanna River / / Organization Geological Society of America / / Person Peter B. Sak / Scott R. Miller / Eric Kirby / Paul Bierman / / ProvinceOrState Pennsylvania / /
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