2008 USACE Topobathy Lidar: Truckee (NV) Point Cloud files with Orthometric Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID18

Below are links to the files that make up the 2008 USACE Topobathy Lidar: Truckee (NV) dataset in an orthometric vertical datum North American Vertical Datum of 1988 (NAVD88) using GEOID18. 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 also 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 or LAZ fmt will take you here).

The files are in LAZ format, a lossless compressed version of the ASPRS LAS format. The compression and decompression is done with the free and open source 'laszip' program available at http://laszip.org. This is not the same as the more general zip format. Many geospatial programs will read LAZ files natively and decompression is often not necessary. There is a list of software with native support on the laszip site.

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=2 https://chs.coast.noaa.gov/htdata/lidar1_z/geoid18/data/3661/
This will give you the directory structure starting with geoid18. Modify the --cut-dirs=2 argument to modify the start directory (e.g. --cut-dirs=4 will start at 3661). 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 http://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 urllist3661.txt. Several posts on the GeoZone blog provide help with downloading, including:

The total size to download all the files is 522M. There are 75 LAZ files and the summary class table is:
Class NumberClass NamePoints
1Unclassified76313953
2Ground175452381
11Green Laser returns535428

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/lidar1_z/geoid18/data/3661

Georeferencing Note

You may find the georeferencing on the files refers to generic NAD83 (EPSG code 4269). All files, with the exception of the few in WGS84, are in a more recent realization of NAD83 such as NAD83(CORS96), NAD83(HARN), NAD83(NSRS2007), or NAD83(2011).

Meta Info

Tile Index: tileindex.zip (Shapefile)
                nv2008_usace_truckee_index.gpkg (GeoPackage)
Metadata: nv2008_usace_truckee_metadata.xml
Metadata: nv2008_usace_truckee_metadata.html
XYZ range table: nv2008_usace_truckee_minmax.csv
README: 0README.txt (contains similar information to above)
URL List: urllist3661.txt is a list of all the URLs for batch downloading.

Supplemental Info

supplemental/index.html
supplemental/nv2008_usace_truckee_m3661.kmz
supplemental/nv2008_usace_truckee_m3661_bathy.kmz

Point Clouds

truckee_usace_HTFL_9.laz
truckee_usace_HTFL_59.laz
truckee_usace_HTFL_4.laz
truckee_usace_HTFL_21.laz
truckee_usace_HTFL_20.laz
truckee_usace_HTFL_8.laz
truckee_usace_HTFL_39.laz
truckee_usace_HTFL_75.laz
truckee_usace_HTFL_38.laz
truckee_usace_HTFL_37.laz
truckee_usace_HTFL_58.laz
truckee_usace_HTFL_74.laz
truckee_usace_HTFL_73.laz
truckee_usace_HTFL_72.laz
truckee_usace_HTFL_2.laz
truckee_usace_HTFL_57.laz
truckee_usace_HTFL_56.laz
truckee_usace_HTFL_19.laz
truckee_usace_HTFL_36.laz
truckee_usace_HTFL_18.laz
truckee_usace_HTFL_35.laz
truckee_usace_HTFL_34.laz
truckee_usace_HTFL_55.laz
truckee_usace_HTFL_71.laz
truckee_usace_HTFL_54.laz
truckee_usace_HTFL_33.laz
truckee_usace_HTFL_52.laz
truckee_usace_HTFL_17.laz
truckee_usace_HTFL_51.laz
truckee_usace_HTFL_50.laz
truckee_usace_HTFL_16.laz
truckee_usace_HTFL_32.laz
truckee_usace_HTFL_5.laz
truckee_usace_HTFL_70.laz
truckee_usace_HTFL_31.laz
truckee_usace_HTFL_30.laz
truckee_usace_HTFL_3.laz
truckee_usace_HTFL_49.laz
truckee_usace_HTFL_15.laz
truckee_usace_HTFL_48.laz
truckee_usace_HTFL_29.laz
truckee_usace_HTFL_14.laz
truckee_usace_HTFL_47.laz
truckee_usace_HTFL_7.laz
truckee_usace_HTFL_28.laz
truckee_usace_HTFL_27.laz
truckee_usace_HTFL_46.laz
truckee_usace_HTFL_69.laz
truckee_usace_HTFL_26.laz
truckee_usace_HTFL_45.laz
truckee_usace_HTFL_44.laz
truckee_usace_HTFL_13.laz
truckee_usace_HTFL_43.laz
truckee_usace_HTFL_42.laz
truckee_usace_HTFL_25.laz
truckee_usace_HTFL_24.laz
truckee_usace_HTFL_23.laz
truckee_usace_HTFL_68.laz
truckee_usace_HTFL_22.laz
truckee_usace_HTFL_67.laz
truckee_usace_HTFL_12.laz
truckee_usace_HTFL_41.laz
truckee_usace_HTFL_40.laz
truckee_usace_HTFL_66.laz
truckee_usace_HTFL_11.laz
truckee_usace_HTFL_10.laz
truckee_usace_HTFL_1.laz
truckee_usace_HTFL_65.laz
20111103_truckee_usace_HTFL_53.laz
truckee_usace_HTFL_64.laz
truckee_usace_HTFL_63.laz
truckee_usace_HTFL_62.laz
truckee_usace_HTFL_61.laz
truckee_usace_HTFL_60.laz
truckee_usace_HTFL_6.laz

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