The Iowa Department of Natural Resources has decided to let a cattle producer continue to use an underground manure tank built in karst terrain without a permit, despite concerns a future leak could ...

Karst is formed when chemical weathering, such as acid rain, or natural dissolution breaks down limestone, dolostone marble or evaporite deposits -- types of geological formations, according to the ...

Beneath forests, farms, and neighborhoods, water slowly dissolves rock, forming hidden underground channels and caves in ...

DECORAH - Though it provides little solace for northeast Iowans worried about the impact of livestock confinements in areas of karst topography, attendees at a daylong forum on the subject at Luther ...

In past columns I discussed two of the features a person can find in our Indiana karst landscape. There are, however, other karst features of interest in our state. Sinkholes are a very common ...

The dictionary says the word karst means an irregular limestone region with sinks, underground streams and caverns. This is a nutshell definition of a geological feature that is very complex and most ...