1![Patuxent Wildlife Research Center Energy Extraction in the Marcellus Shale and Environmental Quality The Challenge: Water resource quality is a primary concern relative to natural gas extraction from the Marcellus Shale. Patuxent Wildlife Research Center Energy Extraction in the Marcellus Shale and Environmental Quality The Challenge: Water resource quality is a primary concern relative to natural gas extraction from the Marcellus Shale.](https://www.pdfsearch.io/img/ec8210a96cc4d6f94b732c9a1eadee06.jpg) | Add to Reading ListSource URL: www.pwrc.usgs.govLanguage: English - Date: 2014-04-10 07:40:34
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2![Patuxent Wildlife Research Center Predicting risk of declines, endangerment or extinction of amphibians under Marcellus shale development activities Range of Plethodon wehrlei, from IUCN Patuxent Wildlife Research Center Predicting risk of declines, endangerment or extinction of amphibians under Marcellus shale development activities Range of Plethodon wehrlei, from IUCN](https://www.pdfsearch.io/img/0d1ad6885df69fed9eb4d0d3899b3846.jpg) | Add to Reading ListSource URL: www.pwrc.usgs.govLanguage: English - Date: 2014-04-10 11:25:27
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3![Table 1. Rock-stratigraphic and hydrogeologic units of the Maryland Coastal Plain (lower Eastern Shore). [Fm, Formation] System Table 1. Rock-stratigraphic and hydrogeologic units of the Maryland Coastal Plain (lower Eastern Shore). [Fm, Formation] System](https://www.pdfsearch.io/img/6808acc687b5aee1425c0b2183057d1c.jpg) | Add to Reading ListSource URL: www.mgs.md.govLanguage: English - Date: 2013-10-01 08:41:34
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4![Table 2. Rock-stratigraphic and hydrogeologic units of the Maryland Coastal Plain (western shore). System Series Table 2. Rock-stratigraphic and hydrogeologic units of the Maryland Coastal Plain (western shore). System Series](https://www.pdfsearch.io/img/129d977d0e658d14fa025abd1df96888.jpg) | Add to Reading ListSource URL: www.mgs.md.govLanguage: English - Date: 2013-10-01 08:42:08
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5![Table 3. Rock-stratigraphic and hydrogeologic units of the Maryland Coastal Plain (upper Eastern Shore). [Fm, Formation] Series Table 3. Rock-stratigraphic and hydrogeologic units of the Maryland Coastal Plain (upper Eastern Shore). [Fm, Formation] Series](https://www.pdfsearch.io/img/db457a54944436c50c5c4e54e57a5f10.jpg) | Add to Reading ListSource URL: www.mgs.md.govLanguage: English - Date: 2013-10-01 08:42:27
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6![Patuxent Research Notes Understanding earthworms The year was[removed]The different. Earthworms do not just Mature earthworms have a French had just lost the Francodecorate our world - they are much Patuxent Research Notes Understanding earthworms The year was[removed]The different. Earthworms do not just Mature earthworms have a French had just lost the Francodecorate our world - they are much](https://www.pdfsearch.io/img/276dc682540d4e0a9fe9ad5251350faf.jpg) | Add to Reading ListSource URL: www.pwrc.usgs.govLanguage: English - Date: 1998-07-13 15:21:52
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7![Potentiometric Surface of the Patuxent Aquifer in Southern Maryland, September 2009 Potentiometric Surface of the Patuxent Aquifer in Southern Maryland, September 2009](https://www.pdfsearch.io/img/814892c3f5c82e40a393116397263241.jpg) | Add to Reading ListSource URL: md.water.usgs.govLanguage: English - Date: 2010-10-06 11:56:12
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8![](/pdf-icon.png) | Add to Reading ListSource URL: www.jsf.mil- Date: 2011-05-05 17:52:45
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