LGRB-BW RAW: Surface extraction of raw materials closed (points)

The presentation includes the decommissioned overnight extraction sites of the LGRB’s raw material recovery centre database. The collection centres recorded in the database have a unique name (operating ID) consisting of the TK25 sheet number and a serial number (archive number, Arnum for short). The following means: (1) Arnums up to and including 99: Extraction sites that have been collected since the mid-1980s as part of the raw material security concept. (2) Arnums from 100 up to and including 299: Collection points that were collected in the 1950s. (3) Arnums from 300: Mining sites whose mining was completed before the mid-1980s. The survey is carried out by the raw material geologists of Ref. 96 in the field (mostly in connection with the processing of a KMR50) or by the collection of archive data. The colour scheme of the symbols is based on the raw material groups.