Subterranea (Geography)

From Handwiki

Subterranean river in Castellet-lès-Sausses

Subterranea are underground structures, both natural (such as caves) and human-made (such as mines).[1] Some subterranea and related topics include:

Natural

See also

References

  1. Margineanu, Romul Mircea (2019). "Radon measurements in underground mines and caves from several European countries". AIP Conference Proceedings (Author(s)) 2076: 050004. doi:10.1063/1.5091643. 





Categories: [Subterranea (geography)]


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