Jewel Cave (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Jewel Cave" in Polish language version.

refsWebsite

Global rank Polish rank

135^th place

384^th place

low place

low place

caverbob.com

Bob Gulden: WORLDS LONGEST CAVES. [dostęp 2017-08-20]. (ang.).

nps.gov

Cave Exploration – Jewel Cave National Monument. National Park Service. [dostęp 2021-09-14]. (ang.).