Polskie Towarzystwo Geologiczne is the Geological Society of Poland.
According to PR-model, ptgeol.pl is ranked 546,503rd in multilingual Wikipedia, in particular this website is ranked 16,132nd in Polish Wikipedia.
The website is placed before howlbequiet.com and after sikhcybermuseum.org.uk in the BestRef global ranking of the most important sources of Wikipedia.