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Mergellehm m | |||
blauer Schieferton (in Schottland); weicher Schieferton (in Schottland); ungeklüfteter harter Sandstein | |||
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blauer Schieferton (in Schottland); weicher Schieferton (in Schottland); ungeklüfteter harter Sandstein |
blaes: 11 phrases in 2 subjects |
Construction | 3 |
Mining | 8 |