LGRB-BW RAW: Underground extraction of raw materials (area)
Description
Description of the underground mining areas as well as the former mining area (e.g. T. Envelope). The following groups of areas are distinguished: The property, which is subdivided into the area types of extraction area, currently affected by mining (“scarved” area), including possibly filled areas. Extension area = still “unscarved”, but already approved for mining and former mining area, which is partly set up as a enveloping area. The collection points entered in the database have a unique name (operation ID), which consists of the TK25 sheet number and a serial number (archive number, Arnum for short). This means: (1) Arnums up to and including 99: Extraction sites that have been collected since the mid-1980s as part of the raw material protection concept. (2) Arnums from 100 to 299 inclusive: Extraction sites collected in the 1950s. (3) Arnums from 300: Extraction sites which had already been dismantled before the mid-1980s.
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