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typical lineation pattern involving a high concentration of 
lineaments and a large number of small lakes. Many of the 
lineaments that can be detected in winter disappear in the 
summer scene (G). A second group of rock types can be recog 
nized in the middle part of the image (S). These are sedimentary 
rocks, which can be identified mainly by the predominance of 
relatively smooth surfaces with only large lineament patterns. 
The volcanic and metavolcanic rocks are characterized by the 
commonly curved, rather uniformly developed, elongated and 
parallel patterns (V) . There are many lineaments in the area 
representing faults, joints, foliations, beddings or dykes. 
Some of these lineaments have not hitherto been discerned to 
their full extent. For example, the lineament in the middle of 
the image (L) has been mapped as only 30 km. long, although it 
extends over 90 km. Segments of a terminal moraine (TM) in the 
north half part of the image can be identified by the evidence 
of very smooth surface. Light snow cover enhances not only the 
relief, but also dramatically enhances damage in forest-covered 
areas. The smoke pollution damage (SP) in the Sudbury area, 
caused by the mining industry, and a tornado damage (T) 45 km. 
long, can be recognized and mapped accurately. 
Figure 2 illustrates a portion of central Australia. 
Almost all of the Macdonnell Range is covered by a single image. 
The synoptic view of ERTS imagery allows the study of large 
synclines and anticlines in their entirety. Neither textbooks 
of geomorphology nor a good instructor could explain or teach 
a series of foldings as well as this image shows them. In the 
eroded upper parts of the anticlines, the sedimentary rocks 
can be easily mapped, showing their different thickness. 
The large synclines with thick sedimentary rock types provide 
a good example of drainage patterns which can develop in a 
homogeneous rock type. Some small foldings can be observed 
in the Amadeus Trough, between Lake Amadeus (lower south-west 
corner) and the Macdonnell Range, which are covered with sand 
and sand dunes. 
Figure 3 shows a large portion of Altiplano in Bolivia. 
The folded mountain range of Tertiary rocks on the Altiplano 
can be distinguished easily, stretching between the volcanic 
terrain of the Cordillera Occidental and the south part of 
the Cordillera Real. This image and the consecutive images 
southwards (1010-14035; 1010-14042) offer scientists an excel 
lent opportunity to study volcanos and their effects on sur 
rounding areas. The erosion in the volcanic tuff and lavas is 
demonstrated here dramatically. The Rio Desaguadero, which 
originally connected Lake Titicaca to Lake Poopo, has apparently 
dried up from the junction of the Rio de Mauri, which has 
thereby become the upper basin of the Rio Desaguadero. If this 
is not a seasonal phenomenon, the course of the Rio Desaguadero