Peter T. Lyttle
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View article: Geologic map of the Washington West 30’ × 60’ quadrangle, Maryland, Virginia, and Washington D.C.
Geologic map of the Washington West 30’ × 60’ quadrangle, Maryland, Virginia, and Washington D.C. Open
First posted January 2, 2018 For additional information, contact: Eastern Geology and Paleoclimate Science Center U.S. Geological Survey 12201 Sunrise Valley Drive 926A National Center Reston, VA 20192 The Washington West 30' × 60' quadran…