MGS On-Line List of Publications:


*Maps Section*	contact: Publications(publications@mgs.md.gov)

U.S. GEOLOGICAL SURVEY MAPS
Available from the Maryland Geological Survey GP- 475

Geophysical Investigations Maps NOTE: There are more USGS Geophysical Investigations Maps covering parts of Maryland than those listed below. To inquire about other USGS maps or those listed as "out of stock," contact the USGS at http://store.usgs.gov/ .
GP-445	Aeromagnetic Map of Western Pennsylvania and Parts of Eastern Ohio, Northern West Virginia and Western Maryland.	$7.00
	Scale: 1:250,000; Popenoe, P., Petty, A.J., and Tyson, N.S.; 1964.
GP-475	Natural Gamma Aeroradioactivity of the District of Columbia and Parts of Maryland, Virginia and West Virginia.	$7.00
	Scale: 1:250,000; Neuschel, S.K.; 1965.
GP-482	Aeromagnetic Map of Bel Air and Vicinity, Harford, Baltimore and Cecil Counties, Maryland.	$7.00
	Scale: 1:62,500; Bromery, R.W., Petty, A.J., and Smith, C.W.; 1964.
GP-484	Natural Gamma Aeroradioactivity Map of Bel Air and Vicinity, Harford, Baltimore and Cecil Counties, Maryland.	$7.00
	Scale: 1:62,500; Bromery, R.W., Petty, A.J., and Glibert, F.P.; 1964.
GP-755	Aeromagnetic Map of Parts of Cecil County, Maryland, and Parts of Adjacent Counties in Maryland and Delaware.	$7.00
	Scale: 1:62,500; 1971.
GP-756	Aeromagnetic Map of Part of Kent County, Maryland, and Parts of Adjacent Counties in Maryland and Delaware.	$7.00
	Scale: 1:62,500; 1971.
GP-842	Aeromagnetic Map of Cumberland and Vicinity, Maryland, and Adjacent States.	$7.00
	Scale: 1:250,000; 1972.
GP-898	Aeromagnetic Map of Eastern Dorchester County, Maryland, and Parts of Adjacent Counties.	$7.00
	Scale: 1:62,500; 1974.
GP-899	Aeromagnetic Map of Western Dorchester County, Maryland, and Parts of Adjacent Counties.	$7.00
	Scale: 1:62,500; 1974.
GP-900	Aeromagnetic Map of Southern Queen Anne’s County, Maryland, and Parts of Adjacent Counties.	$7.00
	Scale: 1:62,500; 1974.
GP-923	Aeromagnetic Map of Maryland.	$10.00
	Scale: 1:250,000; Zietz, I, Gilbert, F.P., and Kirby, Jr., J.R.; 1978. (Photocopy)
I-920	Montgomery County Geologic Investigation Map Set .	$20.00
	Available only as a complete set. Scale: 1:62,500 Includes: I-920-A: Surface Materials Map of Montgomery County, Maryland; Froelich, A.J.; 1975 I-920-B: Thickness of Overburden Map of Montgomery County, Maryland; Froelich, A.J.; 1975 I-920-C: Contour Map of the Base of Saprolite, Montgomery County, Maryland; Froelich, A.J.; 1975 I-920-D: Bedrock Map of Montgomery County, Maryland; Froelich, A.J.; 1975 MF-2043 Map Showing Radon Potential of Rocks and Soils in Montgomery County, Maryland; Gundersen, L.C.S., Reimer, G.M., Wiggs, G.R., and Rice, C.A.; 1988

Miscellaneous U.S.G.S. Maps
HA-365	WATER RESOURCES OF SOUTHERN MARYLAND	$8.00
	3 sheets. Weigle, J.M., Webb, W.E., and Gardner, R.A., 1970
MF-1948-C	MAPS SHOWING QUATERNARY GEOLOGY OF THE SOUTHERN MARYLAND PART OF THE CHESAPEAKE BAY	$8.00
	Scale 1:125,000. 3 sheets. Colman, S.M. and Halka, J.P., 1989
MF-1948-D	MAPS SHOWING QUATERNARY GEOLOGY OF THE NORTHERN MARYLAND PART OF THE CHESAPEAKE BAY	$8.00
	Scale 1:125,000. 3 sheets. Colman, S.M. and Halka, J.P., 1989
TOPOGRAPHIC MAP OF MARYLAND AND DELAWARE		$6.50
Scale 1:500,000 (1 inch to approximately 8 miles). Contour interval 200 feet on land; bathymetric contour interval 10 meters (approximately 33 feet). One sheet 36×22 inches. Prepared by U.S. Geological Survey

updated December 6, 2007

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