http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
New data bearing on the structural significance of the Upper Chesapeake Bay magnetic anomaly
iv, 44 pages : illustrations (some folded in pocket), maps (some color, some folded in pocket) ; 28 cm.
by Jonathan Edwards, Jr. and Harry J. Hansen.
Prepared in cooperation with the Maryland Energy and Coastal Zone Administration, Power Plant Siting Program.
Report of investigations (Maryland Geological Survey) ; no. 30