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Identifier symbol and link to USGS Home page
The Gulf of the Farallones: Sidescan-Sonar Imagery, USGS Open-File Report 2004-1082
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GIS Data

Download Files

There are several ways to download the GIS data. Shapefiles and raster images are available for download in *.zip format. The *.zip archives for each shapefile contain: *.shp, *.shx, *.dbf, *.sbn, *.sbx, *.shx, and *.avl files. The raster *.zip archives contain *.tif and *.tfw files. To download any of the *.zip archives, click on Download within the table below to save the *.zip file to local disk. The User will need the WinZip program in order to extract the files from the WinZip archive. Alternatively, the User can navigate to the directories containing shapefiles and raster images and copy all files to a local hard drive, maintaining the directory structure and naming convention.


Mosaic
(arcgis/mosaic)

Filename Description Metadata
farallones.sid/sdw

MrSID compressed TIFF image

sidescan-sonar mosaic
farallones.tif/tfw

TIFF image

sidescan-sonar mosaic

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Trackline Navigation (arcgis/shape/tracklines)

Filename Description Metadata
Tracklines.*

Shapefile - vector

Sidescan-Sonar Tracklines

Download

Contours
(arcgis/shape/contours)

Filename Description Metadata
10mContour.*

Shapefile - vector

10 meter contours

Download
500mContour.* Shapefile - vector

500 meter contours

Download 		Metadata

Coastal Relief Model (arcgis/coastal_relief)

Filename Description Metadata
Farallones_CRM.tif/tfw

TIFF Image File

Sun-illuminated topography derived from NGDC Coastal Relief Model

Download

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