1947 Historical 8 Bit Imagery: CNMI

Below are links to the files that make up the 1947 Historical 8 Bit Imagery: CNMI 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/imagery/CNMI_1947_2592/
This will give you the directory structure starting with CNMI_1947. Modify the --cut-dirs=3 argument to modify the start directory (e.g. --cut-dirs=2 will start at imagery). 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 urllist2592.txt. More information on using uGet is in the Bulk Lidar Download GeoZone blog post.

The total size to download all the files is 686M.

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/raster2/imagery/CNMI_1947_2592/

Meta Info


Tile Index: tileindex_CNMI_1947.zip
Metadata: 1947_cnmi.xml
Metadata: 1947_BlackandWhiteImagery_m2592_met.xml
URL list: urllist2592.txt

VRTs

Virtual Raster Tables (VRTs) can be used to reference the entire data set. Software packages that incorporate GDAL can reference the data by prepending /vsicurl/ to the URL of the VRT. Multiple VRTs generally indicates there are multiple projection systems in the dataset.

VRT file: CNMI_1947.vrt

All Files

0README.txt
cnmi_1947.dbf
cnmi_1947.prj
cnmi_1947.sbn
cnmi_1947.sbx
cnmi_1947.shp
cnmi_1947.shx
CNMI_Maug_12.tfw
CNMI_Maug_12.tif
CNMI_Maug_12_tn.jpg
CNMI_Maug_13.tfw
CNMI_Maug_13.tif
CNMI_Maug_13_tn.jpg
CNMI_Maug_14.tfw
CNMI_Maug_14.tif
CNMI_Maug_14_tn.jpg
CNMI_Maug_15.tfw
CNMI_Maug_15.tif
CNMI_Maug_15_tn.aux
CNMI_Maug_15_tn.jpg
CNMI_Maug_16.tfw
CNMI_Maug_16.tif
CNMI_Maug_16_tn.jpg
CNMI_Maug_17_01.tfw
CNMI_Maug_17_01.tif
CNMI_Maug_17_01_tn.jpg
CNMI_Maug_17_02.tfw
CNMI_Maug_17_02.tif
CNMI_Maug_17_02_tn.jpg
CNMI_METADATA_UTM_55N
CNMI_METADATA_UTM_55N/CNMI_Uracas_1947_39.tif.xml
CNMI_METADATA_UTM_55N/CNMI_Uracas_1947_40.tif.xml
CNMI_METADATA_UTM_55N/CNMI_Uracas_1947_41.tif.xml
CNMI_METADATA_UTM_55N/CNMI_Uracas_1947_42.tif.xml
CNMI_METADATA_UTM_55N/index.html
CNMI_METADATA_UTM_55N/_METADATA_REPORT.txt
CNMI_Uracas_1947_39.tfw
CNMI_Uracas_1947_39.tif
CNMI_Uracas_1947_39.tif.aux.xml
CNMI_Uracas_1947_39_tn.jpg
CNMI_Uracas_1947_40.tfw
CNMI_Uracas_1947_40.tif
CNMI_Uracas_1947_40.tif.aux.xml
CNMI_Uracas_1947_40_tn.jpg
CNMI_Uracas_1947_41.tfw
CNMI_Uracas_1947_41.tif
CNMI_Uracas_1947_41.tif.aux.xml
CNMI_Uracas_1947_41_tn.jpg
CNMI_Uracas_1947_42.tfw
CNMI_Uracas_1947_42.tif
CNMI_Uracas_1947_42.tif.aux.xml
CNMI_Uracas_1947_42_tn.jpg

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