80 



AUSTRIA-HUNGAEY. 



ago a cliff of salt, of an estimated weight of 2,500 tons, tumbled down into the 

 river, and for several days obstructed its course. 



The hilly region to the north of the ancient lake beds of the Upper Aluta is 

 remarkable on account of the chemical processes going on there. The rock-salt 

 lies near the surface, and the cellars of many houses are excavated in it. Near the 



Fig. 49. — The Pass of the "Eed Tower." 

 Scale 1 : 357,000. 



22«E.ofP 



24°20'E.of Gr 



Biidos Hégy, or "Stinking Mountain," vast beds of sulphur are found, and the 

 sulphurous vapours emitted from crevices in the rocks are supposed to cure a 

 variety of diseases. Vast quantities of carbonic acid escape near Yafalva, and 

 sometimes fill the cellars. Acidulous springs are numerous. Combustible gases, 

 similar to those of Modena, escape near Kis ^^âros. 



