GEOLOGY ON POST STAMPS

Polska - Port Gdańsk / Poland - Harbour of Gdansk

  Ostaniec Maczuga Herkulesa zbudowana z wapienia jurajskiego, Pieskowa Skała w Dolinie Prądnika koło Ojcowa.
  Monadnock called Hercules's Club built of Jurassic limestone at Pieskowa Rock in Pradnik Valley near Ojcow, S. Poland.

Coll. A. Kozlowski

GEO-HOBBY

STAMPS

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