This publication is available for download in PDF format only. Please review the use constraints information below and proceed to the End User License Agreement to download this file. The map data is not available as GIS data or or any other format other than the PDF file offered here. The current version, MDPHYS2003.2, is published September 2008.
PLEASE NOTE: Do not use these documents for navigation, legal purposes, surveying, or anything else other than illustration purposes. They were created only to illustrate our publications and are not accurate enough to be used for any other purposes. For more information visit our web page A Brief Description of the Geology of Maryland. Also see the online Geologic Maps of Maryland pages for more detailed geology.

Use Constraints:
These data represent the results of data collection/processing for a specific Department of Natural Resources, Maryland Geological Survey activity and indicate general existing conditions. As such, they are only valid for the intended use, content, time, and accuracy specifications. The user is responsible for the results of any application of the data for other than their intended purpose. Neither the licensor, nor the owner of these data makes any warranty, expressed or implied, as to the use or appropriateness of the licensed data, and there are no warranties of merchantability or fitness for a particular purpose of use. The Maryland Geological Survey makes no representation to the accuracy or completeness of the data and may not be held liable for human error or defect. Data are only valid at 1:100,000 scale or smaller. Data should not be used at a scale greater than 1:100,000 (i.e., enlarged).
Acknowledgements:
This physiographic map was funded in part by the Department of Natural Resources, Chesapeake and Coastal Watershed Service. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the Maryland Department of Natural Resources.
Physiographic field mapping was completed in 1999 at a scale of 1:62,500 or, in some cases, 1:24,000. The physiographic map was compiled at 1:100,000 by the lead author and in digital form at 1:250,000 by Catherine Garcia, Jaime Alvarez, and Mary Valentino of Towson University, Center for Geographic Information Sciences. The authors are solely responsible for the map’s content.