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Digital Geodata Series
DGS98-7 County Topographic Base Map Images for New Jersey (1:100,000 scale)

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Abstract

N.J. Geological Survey DGS98-7 is a set of twenty-one (21) topographic base map images of the counties in New Jersey. The colored images are derived from U.S. Geological Survey 1:100,000-scale, 30 x 60 minute map series, digital raster graphic (DRG) images covering the New Jersey region. The set of 8-bit images preserves the 11-color format and 250 dots-per-inch resolution of the source images. Each source image was processed to remove colored foreground pixels extending beyond the boundary of a county. Most county images are composed of pieces of several images that were manually joined along the 30 x 60 minute image boundaries. Each image was georegistered and rectified to the 1983 North American Datum (state plane coordinate feet) using the ARC/INFO Geographic Information System. At least four links corresponding to 7-1/2 minute tics and other points along the image perimeter were used for georegistration. The image files use an uncompressed tagged-image-file format (TIFF). Each zip file contains a colored image having a tif file name extension, and a corresponding world-reference file having a tfw file name extension.


Counties of New Jersey
Index Map of DRG
Topographic Images (1:100,000 scale)



 Index of Images
by County


Sample Image

Download a georegistered bit map image (zipped TIFF and TFW files) by clicking link(s) below

  atlantic.zip (754KB)
bergen.zip (492KB)
burlington.zip (1.05MB)
camden.zip (394KB)
capemay.zip (408KB)
cumberland.zip (681KB)
essex.zip (246KB)
gloucester.zip (475KB)
hudson.zip (122KB)
hunterdon.zip (613KB)
mercer.zip (349KB)
middlesex.zip (509KB)
monmouth.zip (843KB)
morris.zip (792KB)
ocean.zip (1.17MB)
passaic.zip (381KB)
salem.zip (451KB)
somerset.zip (458KB)
sussex.zip (885KB)
union.zip (202KB)
warren.zip (539KB)

Total Set (11.5MB)

INDEX MAP


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