Hydrogeologic atlas, Ellicott City quadrangle, Baltimore and Howard counties, Maryland /

Bibliographic Details
Main Author:	Duigon, Mark T.
Corporate Authors:	Maryland Geological Survey, Geological Survey (U.S.), Photo Science Inc
Format:	Map
Language:	English
Published:	[Baltimore?] : State of Md., Dept. of Natural Resources, Md. Geological Survey, 1983.
Series:	Hydrogeologic quadrangle atlas ; no. 21.
Subjects:	Hydrogeology > Maryland > Ellicott City Region > Maps. Groundwater > Maryland > Ellicott City Region > Maps. Slopes (Physical geography) > Maryland > Ellicott City Region > Maps. Engineering geology > Maryland > Ellicott City Region > Maps. Wells > Maryland > Ellicott City Region > Maps.

Description
Item Description:	Hydrogeologic data printed on USGS topographic base. Relief shown by contours and spot heights. Title from upper margin. Map 1 at scale 1:24,000; other maps at scale approximately 1:36,000. UTM grid. Accompanied by text: Ellicott City quadrangle Maryland. 6 pages : location map, diagrams, table of contents ; 23 cm. Includes text and location map; some sheets also include graphs, statistical tables, and/or indexed table of wells and springs. Cartographic material.
Physical Description:	5 maps : color ; 58 x 45 cm. and 39 x 30 cm., jointly folded in pressure-bonding vinyl envelope 28 x 21 cm.
Bibliography:	Bibliography in accompanying text and on some sheets.