Protection of caves in the Swietokrzyskie Mts. was his particular interest. The authors describe some curiosities connected with caves in the Jura Krakowsko-Wielu ska Upland. The author promotes new system, which can be used to locate various geographical objects, e.g. caves. The system consists of division of land into hierarchic units. The rivers cconstitute border between particular units.
Basic unit is called a massif.
The authors gives the Czerwone Wierchy as an example of the massif.