(mileage) (4-20)
FRAME 4-21.
The mileage chart provides for measurements in miles, on one side of the chart, and kilometers on the other,
reading from the bottom up. Which unit of measurement was used in the hypothetical mission repotted on the
sample chart in panel 4-2? ______________________________________________________________________
(construction material) (4-48)
FRAME 4-49.
In Column 8, the span length is recorded, together with special information about bridge conditions. If the span
is not usable, the letter X is placed after the span length. If the span is over water, the letter W follows the span
length.
Column 8 records the span _________________________ and special __________________________ , if any.
4-43
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