This article is from the Scientific Data Format Information FAQ, by Ilana Stern ilana@kiowa.scd.ucar.edu with numerous contributions by others.
SDTS (Spatial Data Transfer Standard) is a Federal standard (Federal
Information Processing Standard (FIPS) 173) for transfer of geologic and
other spatial data. Documentation and examples are available from the USGS
at <URL:ftp://sdts.er.usgs.gov/pub/sdts/www/html/sdts.html> (for WWW users;
this is an html interface to the ftp site, which can also be accessed
directly, although not as nicely, at <URL:ftp://sdts.er.usgs.gov/pub/sdts>.
For more information, contact sdts@usgs.gov.
 
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