2018 NOAA NGS Topobathy Lidar DEM (void): Potomac River, Chesapeake Bay

Below are links to the files that make up the 2018 NOAA NGS Topobathy Lidar DEM (void): Potomac River, Chesapeake Bay dataset. This HTML file is here to emulate the access you would have gotten through an ftp site. The files containing geospatial indices, metadata, etc., are listed first, followed by the files. To download in bulk, it is suggested you use a program such as wget (example below). The geospatial index file in shapefile format has a URL attribute that some GIS programs can use to download files. You can also subset the data, make derived products, and change projection, datum, etc., using the Digital Coast Data Access Viewer (add to cart, the link to bulk download will take you here).

Example to download entire data set using wget (note: sufficiently new and trusted pre-compiled Windows versions can be hard to find):
wget -np -r -nH -L --cut-dirs=3 https://chs.coast.noaa.gov/htdata/raster2/elevation/NGS_PotomacRiver_DEM_Void_2018_8734/
This will give you the directory structure starting with NGS_PotomacRiver_DEM_Void_2018. Modify the --cut-dirs=3 argument to modify the start directory (e.g. --cut-dirs=2 will start at elevation). Wget is a command-line program and the output will be to the directory you run it in. More options and information can be found at https://www.gnu.org/software/wget/manual/wget.html. The other options in the example mean:


If you have problems with wget that look like an authorization or certificate issue, you may need to add the option "--no-check-certificate". Windows users may want to install the Windows Subsystem for Linux to get a current wget.

You can also use the uGet program with the list of URLs in file urllist8734.txt. More information on using uGet is in the Bulk Lidar Download GeoZone blog post.

The total size to download all the files is 3.9G.

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/raster2/elevation/NGS_PotomacRiver_DEM_Void_2018_8734/

Meta Info


Tile Index: tileindex_NGS_PotomacRiver_DEM_Void_2018.zip
Metadata: 2018_NGS_Topobathy_DEM_Void_PotomacRiver_m8734_met.xml
URL list: urllist8734.txt

All Files

2018_340000e_4220000n_DEM.img
2018_340000e_4225000n_DEM.img
2018_340000e_4230000n_DEM.img
2018_340000e_4235000n_DEM.img
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2018_345000e_4235000n_DEM.img
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2018_345000e_4245000n_DEM.img
2018_350000e_4215000n_DEM.img
2018_350000e_4220000n_DEM.img
2018_350000e_4225000n_DEM.img
2018_350000e_4230000n_DEM.img
2018_350000e_4235000n_DEM.img
2018_350000e_4240000n_DEM.img
2018_350000e_4245000n_DEM.img
2018_355000e_4210000n_DEM.img
2018_355000e_4215000n_DEM.img
2018_355000e_4220000n_DEM.img
2018_355000e_4225000n_DEM.img
2018_355000e_4235000n_DEM.img
2018_355000e_4240000n_DEM.img
2018_355000e_4245000n_DEM.img
2018_360000e_4205000n_DEM.img
2018_360000e_4210000n_DEM.img
2018_360000e_4215000n_DEM.img
2018_360000e_4220000n_DEM.img
2018_360000e_4225000n_DEM.img
2018_360000e_4230000n_DEM.img
2018_360000e_4235000n_DEM.img
2018_360000e_4240000n_DEM.img
2018_365000e_4195000n_DEM.img
2018_365000e_4200000n_DEM.img
2018_365000e_4205000n_DEM.img
2018_365000e_4210000n_DEM.img
2018_365000e_4215000n_DEM.img
2018_365000e_4220000n_DEM.img
2018_365000e_4225000n_DEM.img
2018_365000e_4230000n_DEM.img
2018_365000e_4235000n_DEM.img
2018_365000e_4240000n_DEM.img
2018_370000e_4190000n_DEM.img
2018_370000e_4195000n_DEM.img
2018_370000e_4200000n_DEM.img
2018_370000e_4205000n_DEM.img
2018_370000e_4210000n_DEM.img
2018_370000e_4215000n_DEM.img
2018_370000e_4220000n_DEM.img
2018_370000e_4225000n_DEM.img
2018_370000e_4230000n_DEM.img
2018_370000e_4235000n_DEM.img
2018_375000e_4180000n_DEM.img
2018_375000e_4185000n_DEM.img
2018_375000e_4190000n_DEM.img
2018_375000e_4195000n_DEM.img
2018_375000e_4200000n_DEM.img
2018_375000e_4205000n_DEM.img
2018_375000e_4215000n_DEM.img
2018_375000e_4220000n_DEM.img
2018_375000e_4225000n_DEM.img
2018_375000e_4230000n_DEM.img
2018_375000e_4235000n_DEM.img
2018_380000e_4180000n_DEM.img
2018_380000e_4185000n_DEM.img
2018_380000e_4190000n_DEM.img
2018_380000e_4195000n_DEM.img
2018_380000e_4200000n_DEM.img
2018_380000e_4205000n_DEM.img
2018_380000e_4215000n_DEM.img
2018_380000e_4220000n_DEM.img
2018_385000e_4180000n_DEM.img
2018_385000e_4185000n_DEM.img
2018_385000e_4190000n_DEM.img
2018_385000e_4195000n_DEM.img
2018_385000e_4200000n_DEM.img
2018_390000e_4190000n_DEM.img
2018_390000e_4195000n_DEM.img
2018_390000e_4200000n_DEM.img
2018_395000e_4195000n_DEM.img
2018_395000e_4200000n_DEM.img

Page owned by NOAA Office for Coastal Management. Last updated: Thu Dec 1 05:08:08 EST 2022