Dataset Direct Download Service (WFS): SUP_I4 — Perimeters delimited by vertical ground projection of power lines generating I4 easements
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The attitude of an easement is the spatial field (i.e., the geographical area) within which the easement applies. This space field can be defined either in 2D or in 3D in particular in the specific cases of airport clearance easements, easements to protect radio transmission centres.
