Internet
Highlights |
Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River Corridor, District of Columbia, Maryland, West Virginia, and Virginia
By Scott Southworth, David K. Brezinski, Randall C. Orndorff, John E. Repetski, and Danielle M. Denenny, 2008. USGS Professional Paper 1691 (PDF format available from USGS).
Paper copies of this publication are available from our Publications Office. |
The Marcellus shale and the search for natural gas in western Maryland:
Is there a natural gas boom in Maryland’s future? |
Geologic Map of the Frederick 30' x 60' Quadrangle, Maryland, Virginia, and West Virginia
By Scott Southworth, David K. Brezinski, Avery Ala Drake, Jr., William C. Burton, Randall C. Orndorff, Albert J. Froelich, James E. Reddy, Danielle Denenny, and David L. Daniels, 2007. USGS Scientific Investigations Map 2889 (PDF format) |
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International Year of Planet Earth
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Baystat: Tracking the Chesapeake's Health
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Live
Earthquake Data Online |
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Digital County
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Maryland
Geological Survey
Jeffrey P. Halka, Acting Director
2300 St. Paul Street, Baltimore, MD 21218
(410)554-5500
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