21. One of the main causes of sinkholes is karst topography , which is widespread in Florida. 22. Primarily known for his geological surveys of Eastern Europe ( the Carpathian Mountains, karst topography . 23. The region gave its name to the karst topography . 24. The karst topography also poses difficulties for human inhabitants. 25. Areas of karst topography on limestone bedrock are sometimes vulnerable to surface pollution from groundwater. 26. Herzegovina has drier Mediterranean climate, with dominant karst topography . 27. Karst topography of soluble bedrock characterizes the entire park.28. The coastal plains show numerous lakes and a swampy environment that appears to be karst topography . 29. Geologically, it is a typical karst topography , characterized by underground drainage systems with sinkholes and caves. 30. Karst topography is found throughout the Driftless area.
