WCVB Channel 5 Boston

What to know about sinkholes after a Pennsylvania woman may have disappeared into one

Authorities fear a woman in western Pennsylvania who disappeared while looking for her cat may have been swallowed by a sinkhole — a phenomenon likely caused by mine subsidence.Search and rescue crews ...
KSAT

A sinkhole may have swallowed a Pennsylvania woman. What are sinkholes and how do they form?

Read full article: San Antonio plans awareness campaign amid mail theft rise in neighborhoods San Antonio International Airport held a ribbon-cutting ceremony Wednesday to mark the official opening of ...
insider.si.edu

Limestone in the built environment : present-day challenges for the preservation of the past / edited by B.J. Smith [and others]

Underlying issues on the selection, use and conservation of building limestone / Bernard J. Smith, Miguel Gómez-heras, and Heather A. Viles -- The use of limestone in a historic context-- the ...
Atlanta Journal-Constitution

A sinkhole may have swallowed a Pennsylvania woman. What are sinkholes and how do they form?

Authorities fear a woman in western Pennsylvania who disappeared while looking for her cat may have been swallowed by a sinkhole — a phenomenon likely caused by mine subsidence. Search and rescue ...