pointing arrow to indicate site north (not magnetic
same elevation.
Distances are given between
north). Each facility has a number (or code letter)
principal details and reference lines. (The coordinate
designation by which it is identified in the schedule
reference lines on figure 2-3 are centerlines of the
of facilities. The contour lines indicate the elevation
roads sur-
of the earth surfaces; all points on a contour have the
Figure 2-3. Typical site plan.
43