caverns
carbonic acid
A karst environment, or karst topography.
sinkholes
Limestone
Sinkholes, poljes, karren and caves.
carbonic acid
Sinkholes are common in areas of karst topography
A karst environment, or karst topography.
Limestone is usually associated with karst topography.
Limestone is usually associated with karst topography.
Limestone is usually associated with karst topography.
James F. Baichtal has written: 'Karst landscapes and associated resources' -- subject(s): Caves, Hydrology, Karst, Karst, Karst Hydrology, Paleontology
Above limestone deposits
sinkholes
Limestone
Sinkholes, poljes, karren and caves.
Perhaps you search for sink holes.