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the fact that some zonal images show to advantage different 
features of relief structure. Thus, the near infrared band images 
reveal finely the large features of tectonic structure and land- 
forms due to an increase in brightness of the vegetation image, 
whose outlines seem to vanish from the photograph. From this 
images one can interpret the general structural-tectonic plan of 
& territory, passing on, then, to the images in the visible band 
to identify details - egzogenous landforms. The results of 
applying this interpretation technique are presented in the map 
series of the Southern Baikal region topography, which reflect 
successively the fractures, the block neotectonic structures 
caused by them and, finally, relief genetic types, given in the 
geomorphological map completing the series. 
For one of the areas in Central Yakutia a map of thermo- 
karst relief is made, which, for the first time, presents the 
results of thermokarst mapping through multiband photography data 
providing for a detailed study of the thermokarst alas relief, 
alongvdifferentiation of the various dynamic stages of its 
formation, In this case, the successive image interpretation in 
the red and near infrared bans was used to identify thermokarst 
lakes and alas areas. 
Another type of relief analyzed for the same area is river 
flood-plains relief, the possibility of a detailed mapping of 
which is demonstrated in the example of the Viliuy valley. In 
this case, too, the successive interpretation of images in the 
blue, red and infrared bands enabled identification of the 
accumulative forms of the contemporary channel and the details 
of flood-plains topography, discriminating up to 7 flood-plain 
types of different age. 
The range of multiband image glaciological application is 
displayed in the case of the map of the Pamiro-Alay glaciers. On 
this occasion, the technique of comparative interpretation of a. 
zonal image series is applied on the basis of considering the 
Spectral image of the photographed objects. A comparison of 
images, taken in the visible and near infrared band of the 
Spectrum, owing to the possibility of discriminating between the 
dry and moist snow, promotes a more accurate identification of 
glacial boundaries in their supply zone and determination of the 
snow-line location, 
The group of geomorphological-glaciological and hydrologi- 
calmaps also include maps which characterize the natural pollution . 
of water bodies, with the distribution of the river Selenga's 
sediment discharge into lake Baikal taken as an example, In 
mapping water pollution, multiband photography is again employed 
as a tool of penetrating to different depths; and it permits 
showing a picture of suspended matter distribution not only over 
the water body's area but also at different depths. 
The atlas pays essential attention to the mapping, through 
multiband images, of the soil-vegetation cover and landscapes. 
In mapping forest vegetation the idea most completely 
realized is the one of using the spectral image of the photo- 
graphed objects as an interpretation feature on a zonal image 
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