Three recent large voids on heavily traveled interstate caused by closed iron mine voids have led state transportation ...

Sinkholes mainly occur in what is known as ‘karst terrain’; areas of land where soluble bedrock (such as limestone or gypsum) can be dissolved by water. With cover-subsidence sinkholes the ...

There are two main types of sinkholes: those that form slowly over time (cover-subsidence sinkholes) and those that appear suddenly (cover-collapse sinkholes). While it is usually the latter type ...

Sinkholes can range in size from just a few feet wide to ones that cover a vast area spanning ... s southwestern region is at risk for soil subsidence, where underground materials shift or fall ...

Three sinkholes have appeared on the section of Route 80 that opened in 1960. Questions surround the contractor, but is there more to it?

Sinkholes mainly occur in what is known as ‘karst terrain’; areas of land where soluble bedrock (such as limestone or gypsum) can be dissolved by water. With cover-subsidence sinkholes the bedrock ...

There are two main types of sinkholes: those that form slowly over time (cover-subsidence sinkholes) and those that appear suddenly (cover-collapse sinkholes). In many cases, sinkholes don’t form ...