RK 10 KO E — Explanatory Notes to the Geological Map of the Rhine-Westphalian Coal Region 1: 10.000

Explanations on the analogous map of the Rhine-Westphalian hard coal region 1: 10 000 [RK 10 KO], which was developed between 1949 and 1954 by the Office for Soil Research — North Rhine-Westphalia State Office, Krefeld — representing the geoscientific state of knowledge on the date of creation. Explanations on the analogous map of the Rhine-Westphalian hard coal region 1:
10 000 [RK 10 KO], which was developed between 1949 and 1954 by the Office for Soil Research — North Rhine-Westphalia State Office, Krefeld — representing the geoscientific state of knowledge on the date of creation.