The Imperial and Royal Geological Survey of the Austro - Hungarian Empire conducted geologic mapping in Hungary between 1850 and 1865 , and published maps between 1867 and 1871 .
Beudant , a professor at the University of Paris published the first writings about Hungarian geology in 1822 .
The Imperial and Royal Geological Survey of the Austro - Hungarian Empire conducted geologic mapping in Hungarian between 1850 and 1865 , and published maps between 1867 and 1871 .
Beudant , a professor at the University of Paris published the first writings about Hungarian geology in 1822 .