Category:Blue earth

Media in category "Blue earth"

The following 5 files are in this category, out of 5 total.

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  Blue Earth in Primorsky amber quarry of Kaliningrad Amber Combine.jpg 3,328 × 1,872; 2.48 MB
  
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  Kaliningrad Amber Combine Blue Earth and Amber Primorsky Quarry.jpg 4,256 × 2,832; 10.94 MB
  
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  Map (Geologische Karte) of Palmnicken 1908-1909 Archive of Kaliningrad Amber Combine.jpg 6,626 × 6,867; 30.5 MB
  
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  Mining of amber at Amber Combine in Kaliningrad region.jpg 940 × 627; 178 KB
  
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  Primorsky amber mining by Kaliningrad Amber Combine (sheme).jpg 2,370 × 2,955; 1.08 MB