Geo::WebService::Elevation::USGS This package contains a class that interfaces with the United States Geological Service's elevation query server. The user has the option of returning data from a given data set, from the 'best' data set for the given latitude and longitude, or from all data sets. Documentation for the web service may be found at http://gisdata.usgs.gov/XMLWebServices/TNM_Elevation_Service.php This package is installable by the usual incantation: gunzip Geo-WebService-Elevation-USGS-9.999.tar.gz tar -xf Geo-WebService-Elevation-USGS-9.999.tar perl Makefile.PL make make test make install You should substitute the appropriate program name for 'make', eg nmake (typically) under MSWin32, or mms or mmk under VMS. See ftp://ftp.microsoft.com/Softlib/MSLFILES/nmake15.exe for a copy of nmake for MSWin32 if you need it. Should you prefer, the 'Build' installer is also available: gunzip Geo-WebService-Elevation-USGS-9.999.tar.gz tar -xf Geo-WebService-Elevation-USGS-9.999.tar perl Build.PL ./Build ./Build test ./Build install Of course, since it's pure Perl, you can just expand the kit and drop the .pm files into the Geo/Elevation directory (creating it if necessary) in the appropriate place in your @INC directories. Tom Wyant