Maryland, 7.5 minute series (topographic) / mapped, edited, and published by the Geological Survey.

Bibliographic Details
Corporate Authors: Geological Survey (U.S.)
United States. Army Map Service
United States. National Ocean Service
Maryland Geological Survey
Language:English
Published: Reston, Va. : U.S. Geological Survey, [1942?]-
Subjects:
Maryland > Maps.
Topographic maps.
Maps.
Genre:
Maps.
Topographic maps.
Physical Description:maps : color ; on sheets 69 x 56 cm
Cartographic Data:Scale 1:24,000 ;
Polyconic projection, or Lambert conformal conic projection, or Universal transverse Mercator projection
(W 79°--W 75°/N 39°--N 37°).
Format: Government Document Map
Description
Note:Relief shown by contours and spot heights. Depths shown by contours and gradient tints.
"Topography by photogrammetric methods from aerial photographs."
Includes quadrangle location map.
Beginning in the 1990's, editions include index to adjoining sheets.
Photorevised sheets show changes in purple.
Set includes various issues of some sheets.
Some sheets were mapped by the Army Map Service.
Some sheets were produced by USGS and the National Ocean Service.
Some sheets have "State of Maryland. Maryland Geological Survey" on upper margin.
Some sheets have standard map series designation: Series V833.
The District of Columbia is partly represented in the Anacostia, Washington East, and Washington West sheets.
Cartographic material.
Call Number:Arranged by sheet name - refer to index in Maps