Figure 9 shows an orthophoto mosaic period of about 8 hours. An altitude chart 
prepared from portions of 22 stereo models. for the combined area was output con- 
The individual model outputs were prepared currently with the orthophoto shown. 
on a common film sheet in a total operating 
  
FIGURE 9-Orthophoto Mosaic Prepar 
(Altitude of Photography, 27,000 feet; Scale as Output, 100,000:1; Input, 22 Stereo Pairs) 
11