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Publication Extents

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Patuxent folio, Maryland-District of Columbia
George Burbank Shattuck, Benjamin LeRoy Miller, Arthur Bibbins
1907, Folios of the Geologic Atlas 152
The Patuxent quadrangle lies between parallel 38° 30' and 39° north latitude and meridians 76° 30' and 77° west longitude.  It includes one-fourth of a square dgeree of the earth's surface and contains 931.5 square miles.  From north to south it measures 34.5 miles and from east to west the...