| | Date | Description | Links | MSA Citation |
| Details | 2002 | Glaser, J.D., 2002, Geologic Map of Benedict Quadrangle, Calvert, Prince George's, Charles and St. Mary's Counties, Maryland: Baltimore, Md., Maryland Geological Survey File BENED2002.1, 1 sheet, scale 1:24,000. | | SE90-1 |
| Details | 2002 | Glaser, J.D., 2002, Geologic Map of Deale Quadrangle, Anne Arundel and Calvert Counties, Maryland: Baltimore, Md., Maryland Geological Survey File DEALE2002.2, 1 sheet, scale 1:24,000. | | SE90-2 |
| Details | 1988 | Brezinski, D.K., 1988, Geologic Map of the Avilton and Frostburg Quadrangles, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-3 |
| Details | 1984 | Glaser, J.D., 1984, Geologic Map of the Bristol Quadrangle, Prince George's, Anne Arundel, and Calvert Counties, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-4 |
| Details | 2003 | Glaser, J.D., 2003, Geologic Map of the Broomes Island Quadrangle, Calvert and St. Mary's Counties, Maryland: Baltimore, Md., Maryland Geological Survey File BROOM2003.1, 1 sheet, scale 1:24,000. | | SE90-5 |
| Details | 2004 | Brezinski, D.K., 2004, Geologic Map of the Catoctin Furnace Quadrangle, Frederick County, Maryland: Baltimore, Md., Maryland Geological Survey File CATOCGEO2004.1, 1 sheet, scale 1:24,000. | | SE90-6 |
| Details | 1975 | Crowley, W.P., Reinhardt, J., and Cleaves, E.T., 1975, Geologic Map of the Cockeysville Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-7 |
| Details | 2003 | Glaser, J.D., 2003, Geologic Map of the Cove Point Quadrangle, Calvert County, Maryland: Baltimore, Md., Maryland Geological Survey File COVEP2003.1, 1 sheet, scale 1:24,000. | | SE90-8 |
| Details | 1980 | Crowley, W.P., and Reinhardt, J., 1980, Geologic Map of the Ellicott City Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-9 |
| Details | 2004 | Brezinski, D.K., 2004, Geologic Map of the Frederick Quadrangle, Frederick County, Maryland: Baltimore, Md., Maryland Geological Survey File FREDGEO2004.1, 1 sheet, scale 1:24,000. | | SE90-10 |
| Details | 1991 | Muller, P.D., 1991, Geologic Map of the Hampstead Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-11 |
| Details | 1985 | Muller, P.D., 1985, Geologic Map of the Hereford Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-12 |
| Details | 1985 | Glaser, J.D., 1985, Geologic Map of the Lower Marlboro Quadrangle, Prince George's and Calvert Counties, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-13 |
| Details | 2003 | Brezinski, D.K., and Glaser, J.D., 2003, Geologic Map of the Maryland Portions of the Table Rock and Davis Quadrangles, Garrett County, Maryland: Baltimore, Md., Maryland Geological Survey File TBLDV2003.1, 1 sheet, scale 1:24,000. | | SE90-14 |
| Details | 1977 | Reinhardt, J., 1977, Geologic Map of the Middle River Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-15 |
| Details | 2005 | Brezinski, D.K., and Fauth, J.L., 2005, Geologic Map of the Middletown Quadrangle, Frederick and Washington Counties, Maryland: Baltimore, Md., Maryland Geological Survey File MIDDLGEO2005.1, 1 sheet, scale 1:24,000. | | SE90-16 |
| Details | 1978 | Glaser, J.D., 1978, Geologic Map of the Mount Vernon and Piscataway Quadrangles, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-17 |
| Details | 1981 | Fauth, J.L., 1981, Geologic Map of the Myersville Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-18 |
| Details | 2004 | Reger, J.P., Brezinski, D.K., Southworth, S., and Quinn, H.A., 2004, Geologic Map of the New Windsor Quadrangle, Carroll County, Maryland: Baltimore, Md., Maryland Geological Survey File NEWWI2004.1, 1 sheet, scale 1:24,000. | | SE90-19 |
| Details | 1979 | Moller, S.A., 1979, Geologic Map of the Phoenix Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-20 |
| Details | 1984 | Glaser, J.D., 1984, Geologic Map of the Port Tobacco Quadrangle, Prince George's and Charles Counties, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-21 |
| Details | 1977 | Crowley, W.P., 1977, Geologic Map of the Reisterstown Quadrangle, Maryland, 1 sheet, scale 1:24,000, in Duigon, M.T. and Crowley, W.P., 1983, Hydrogeologic Atlas, Reisterstown Quadrangle, Baltimore County, Maryland: Baltimore, Md., Maryland Geological Survey Quadrangle Atlas No. 7, 6 maps. | | SE90-22 |
| Details | 2002 | Glaser, J.D., 2002, Geologic Map of the South River Quadrangle, and Portions of the Annapolis Quadrangle, Anne Arundel County, Maryland: Baltimore, Md., Maryland Geological Survey File SRVAN2002.2a, 1 sheet, scale 1:24,000. | | SE90-23 |
| Details | 1974 | Crowley, W.P., and Cleaves, E.T., 1974, Geologic Map of the Towson Quadrangle, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-24 |
| Details | 1986 | Edwards, J., Jr., 1986, Geologic Map of the Union Bridge Quadrangle, Carroll and Frederick Counties, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-25 |
| Details | 1981 | Glaser, J.D., 1981, Geologic Map of the Upper Marlboro Quadrangle, Prince George's County, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-26 |
| Details | 2004 | Brezinski, D.K., Southworth, S., and Edwards, J., Jr., 2004, Geologic Map of the Walkersville Quadrangle, Frederick County, Maryland: Baltimore, Md., Maryland Geological Survey File WALKEGEO2004.1, 1 sheet, scale 1:24,000. | | SE90-27 |
| Details | 1976 | Crowley, W.P., Juergen, R., and Cleaves, E.T., 1976, Geologic Map of the White Marsh Quadrangle, Maryland, 1 sheet, scale 1:24,000, in Cleaves, E.T., Kuff, K.R., Crowley, W.P., and Reinhardt, J., 1979, White Marsh Quadrangle: Geology, Hydrology, and Mineral Resources: Baltimore, Md., Maryland Geological Survey Quadrangle Atlas No. 4, 3 maps. | | SE90-28 |
| Details | 1988 | Edwards, J., Jr., 1988, Geologic Map of the Woodsboro Quadrangle, Carroll and Frederick Counties, Maryland: Baltimore, Md., Maryland Geological Survey, 1 sheet, scale 1:24,000. | | SE90-29 |
| Details | 2004 | Brezinski, D.K., and Edwards, J., Jr., 2004, Geologic Map of the Woodsboro Quadrangle, Frederick and Carroll Counties, Maryland: Baltimore, Md., Maryland Geological Survey File WOODSGEO2004.1, 1 sheet, scale 1:24,000. | | SE90-30 |
| Details | 2004 | Brezinski, D.K., 2004, Geology of Part of the Point of Rocks Quadrangle, Frederick County, Maryland: Baltimore, Md., Maryland Geological Survey File PTOFRGEO2004.1, 1 sheet, scale 1:24,000. | | SE90-31 |
| Details | 1993 | Edwards, J., Jr., 1993, Geologic Map of the Manchester Quadrangle, Carroll County, Maryland | | SE90-32 |
| Details | 1994 | Muller, P.D., 1994, Geologic Map of the Finksburg Quadrangle, Carroll and Baltimore Counties, Maryland | | SE90-33 |
| Details | 1993 | Edwards, J., Jr., and Glaser, J.D., 1993, Geologic Map of the Littletown Quadrangle, Carroll County, Maryland | | SE90-34 |
| Details | 1993 | Edwards, J., Jr., 1993, Geologic Map of the Westminster Quadrangle, Carroll County, Maryland | | SE90-35 |
| Details | 1977 | Fauth, J.L., 1977, Geologic Map of the Catoctin Furnace and Blue Ridge Summit Quadrangles, Maryland | | SE90-36 |
| Details | 1994 | Edwards, J., Jr., 1994, Geologic Map of the Libertytown Quadrangle, Carroll and Frederick Counties, Maryland | | SE90-37 |
| Details | 1996 | Edwards, J., Jr., 1996, Geologic Map of the Winfield Quadrangle, Carroll and Frederick Counties, Maryland | | SE90-38 |