
Using USGS Digital Raster Graphics (DRGs) in ArcView and ArcGIS
Author:
Joseph J. Kerski Geographer USGS Box 25046 - MS 507 Denver CO 80225-0046 USA 303-202-4315 Tel 303-202-4137 Fax jjkerski@usgs.gov
DRGs are normally formatted as Tagged Image Format (.tif) files, on FTP, from the web, and from CD-ROMs.
They are distributed with a TFW header file.
ArcView 3.x:
Obtain DRG.
Add as image theme.
ArcGIS:
Obtain DRG.
Add as new layer.