(estimates) (2-53)
FRAME 2-54.
Ground parties can obtain data ____________________________________ from aerial view, or that can only
be obtained by ________________________. This includes measured __________________________________ of
features, and reliable work ______________________________ for future engineer operations.
(completed) (2-77)
FRAME 2-78.
The next two columns note the time of each observation and whether or not a work estimate related to the
observed object has been prepared. How many of the observed objects required an estimate of work required?
_________________________________________________________________
2-12
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