Table 1. Summary of GI data sets.

Category   Acquired/published           Description
Satellite image   19 August 1985   Landsat MultiSpectral Scanner path 187 row 14
Satellite image   8 June 1988   Landsat MultiSpectral Scanner path 187 row 15
Satellite image   12 August 1994   Landsat Thematic Mapper path 187 row 14
Satellite image   19 May 1998   Landsat Thematic Mapper path 187 row 14
Satellite image   3 August 1994   Spot panchromatic path 077 row 216, 217
Topographic map   1982   Russian map sheet "Kostamuksha" Q36-121-A,B, scale 1: 50,000
Road map   1996   Karjala. Motoring road map. Scale 1:8 x 106. Karttakeskus.
Digital base map   1998   Perus CD. Digital base map of Finland (1:20,000)