Download 2013 Digital Elevation Model Data

Please visit the MD iMap LiDAR Downloads page to download the entire Frederick County dataset in ESRI Grid format.  Click on the Download Pre-Defined DEMs link to access metadata, .ovr pyramids, and bare earth DEMs.
For smaller areas, click on the index map below to initiate download of a zipped file in TIF format.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Tax Map Grid

This data is provided in:

    Horizontal Datum: NAD83 State Plane Meters
    Vertical Datum: NAVD88
    Projection: UTM Zone 18N
    Geoid: Geoid09
    Meets or exceeds NSSDA requirements of vertical accuracy RMSE z 12.5cm, Accuracy z 24.5cm

 If you have any questions, please contact Enterprise GIS via email or by phone at (301) 600-0077.  

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While efforts have been made to ensure the accuracy of this data, Frederick County accepts no liability or responsibility for errors, omissions, or positional inaccuracies in the content of this data. Reliance on this data is at the risk of the user. The data is for illustrated purposes only and should not be used for surveying, engineering, or site-specific analysis.

Please use the FAQ page for assistance in navigation of the various resources provided on our site.