http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geologic map of the Baltimore East quadrangle, Maryland
Baltimore East quadrangle, geological map
by Juergen Reinhardt and William P. Crowley.
Alternate title: Baltimore East quadrangle, geologic map.
Relief shown by contours and spot heights.
Includes cross section, explanatory text, and quadrangle location map.