Update for USGS DDS-27

(USGS DDS-27 refers to Monthly Average Polar Sea-Ice Concentration, a CD-ROM product of the U.S. Geological Survey, by Peter N. Schweitzer)

Updated files and bug fixes:

The UNIX graphical display program now supports Linux. There is a Makefile to ease the build process.

This page is <http://geochange.er.usgs.gov/pub/data/sea_ice/update.html>
Maintained by Peter Schweitzer
Last updated 1-Nov-1999