Simple download service (Atom) of the dataset: R111-3 subsidence- collapse of underground cavities — Reims area — perimeter of R111-3.

This dataset contains the boundaries of the development of the R111-3 cavities. The characteristic of that perimeter is to be the consequence of an official act and to produce its effect from the date of approval set out in the Prefectural Decree of 16 May 1991. Genealogy: The perimeter of the approved R111-3 cavity is provided in the Prefect’s approval order. The regulated perimeter corresponds to the geometric aggregation of all the areas listed in Schedule 2 to R111-3. The scope of the study corresponds to the envelope in which the hazards were studied.