TM5-6675-326-14
6 - 6 . 2 . 2 7 M e r g i ng Volume Runs - Continued
NOTE
In contour map example of twin peak mountain,
area is elevation where volumes merge into
common base.
Volume of left peak above
merge point will be measured first.
h.
Key in section elevation interval of contours to be
measured.
P r e s s q .
i . I f c o n t o u r i s a f i l l , p r e s s l%J .
I f c o n t o u r i s a c u t,
p r e s s q and b .
j .
Place planimeter at starting point of boundary line for
measuring first contour.
6-78