Scriptum 6: Gravel and sand extraction – Specialised contributions to the protection of raw materials in North Rhine-Westphalia – PDF
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The issue No. 6 from the series “scriptum – Working Results from the Geological Service North Rhine-Westphalia” contains five contributions to securing near-surface loose rock raw materials in NRW. They shed light on gravel and sand extraction in various aspects: geological, economic, regional planning, mining and mining. [2000. 53 p., 21 fig., 5 tab.; ISSN 1430-5267]
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