American Geological Institute, 2012, Glossary of Geology
https://www.americangeosciences.org/
DS1
Brezinski, D.B., Adams, R.K., and Connallon C.B., 2021, Geologic Map of Frederick and Washington Counties, Maryland. Maryland Geological Survey.
http://www.mgs.md.gov/publications/maps.html
DS2
Brezinski, D.K. and Conkwright, R.D. 2013. Geologic Map of Garrett, Allegany, and Western Washington Counties in Maryland. Maryland Geological Survey.
DS3
Southworth, S., Brezinski, D.K., Drake Jr., A.A., Burton, W.C., Orndorff, R.C., Froelich, A.J., Reddy, J.E., Denenny, D., and Daniels, D.L., 2007. Geologic Map of the Frederick 30' x 60' Quadrangle, Maryland, Virginia, and West Virginia. United States Ge
https://pubs.er.usgs.gov/publication/sim2889
DS4
Brezinski, D.K., and Glaser, J.D., 2014, Geologic and Karst Features Map of the Maryland Portions of the Clear Spring and Hedgesville Quadrangles, Washington County, Maryland. Maryland Geological Survey.
DS5
Brezinski, D.K., 2013, Geologic and Karst Features Map of the Mason-Dixon Quadrangle, Washington County, Maryland. Maryland Geological Survey.
DS6
Brezinski, D.K., 2014, Geologic and Karst Features Map of the Williamsport Quadrangle, Washington County, Maryland. Maryland Geological Survey.
DS7
Brezinski, D.K., 2009, Geologic Map of Keedysville, and parts of Shepherdstown, Harpers Ferry and Charles Town Quadrangles, Washington and Frederick Counties, Maryland. Maryland Geological Survey.
DS8
Brezinski, D.K., and Bell, S.C., 2009, Geologic Map of the Funkstown Quadrangle, Washington County, Maryland. Maryland Geological Survey.
DS9
Brezinski, D.K., 2013, Geologic and Karst Features Map of the Hagerstown Quadrangle, Washington County, Maryland. Maryland Geological Survey.
DS10
Brezinski, D.K., and Fauth, J.L., 2009, Geologic Map of the Myersville Quadrangle and Maryland portion of the Smithsburg Quadrangle, Washington and Frederick Counties, Maryland. Maryland Geological Survey.
DS11
Brezinski, D.K., and Fauth, J.L., 2005, Geologic Map of the Middletown Quadrangle, Frederick and Washington Counties, Maryland. Maryland Geological Survey.
DS12
Brezinski, D.K., 2004, Geology of Part of the Point of Rocks Quadrangle, Frederick County, Maryland. Maryland Geological Survey.
DS13
Brezinski, D.K., 2021, Geology of Part of the Blue Ridge Summit Quadrangle, Frederick County, Maryland. Maryland Geological Survey.
DS14
Brezinski, D.K., 2004, Geologic Map of the Catoctin Furnace Quadrangle, Frederick County, Maryland. Maryland Geological Survey.
DS15
Brezinski, D.K., 2004, Geologic Map of the Frederick Quadrangle, Frederick County, Maryland. Maryland Geological Survey.
DS16
Brezinski, D.K., and Southworth, S., 2001, Geologic Map of the Buckeystown Quadrangle, Frederick and Montgomery Counties, Maryland. Maryland Geological Survey. Revised 2004.
DS17
Brezinski, D.K., 2021, Geology of Part of the Emmitsburg and Taneytown Quadrangles, Washington and Frederick Counties, Maryland. Maryland Geological Survey.
DS18
Brezinski, D.K., and Edwards Jr., J., 2004, Geologic Map of the Woodsboro Quadrangle, Frederick and Carroll Counties, Maryland. Maryland Geological Survey.
DS19
Reger, J.P. and Edwards Jr., J., 2006, Geologic Map of the Union Bridge Quadrangle, Frederick and Carroll Counties, Maryland. Maryland Geological Survey.
DS20
Reger, J.P., Brezinski, D.K., Southworth, S., and Quinn, H.A., 2004, Geologic Map of the New Windsor Quadrangle, Carroll County, Maryland. Maryland Geological Survey.
DS21
Brezinski, D.K., Southworth, S., and Edwards Jr., J., 2004, Geologic Map of the Walkersville Quadrangle, Frederick County, Maryland. Maryland Geological Survey.
DS22
Federal Geographic Data Committee [prepared for the Federal Geographic Data Committee by the U.S. Geological Survey], 2006, FGDC Digital Cartographic Standard for Geologic Map Symbolization: Reston, Va., Federal Geographic Data Committee Document Number
https://ngmdb.usgs.gov/fgdc_gds/geolsymstd.php
FGDC-STD-013-2006