Geologic map of the Urbana quadrangle, Frederick and Montgomery counties, Maryland /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Southworth, Scott, 1957-
Format: Government Document Map
Language:English
Published: Reston, Va. : Denver, CO. : The Survey ; Information Services, 1999 [i.e. 2000]
Series:Geologic quadrangle map ; GQ-1768.
Subjects:
Description
Item Description:Relief shown by contours and spot heights.
Includes text, location map, 2 col. cross sections, and 4 diagrams (figures).
"Geology mapped in 1992 and 1993."
"Base from U.S. Geological Survey 1953 (photorevised 1986)."
Contour interval 20 feet.
Pamphlet: "U.S. Government printing office: 1999-773-051/20152 Region Number8."
Cartographic material.
Physical Description:1 map : color ; 58 x 45 cm. on sheet 112 x 84 cm. folded in envelope 30 x 24 cm. + 1 pamphlet (13 pages, illustrations ; 28 cm.)
Bibliography:Pamphlet includes bibliographical references (pages 11-13).
ISBN:0607932538