Limestone caves in the Kansas City area have been used to store immigration records for years. USCIS opened its National Records Center in a cave in Lee’s Summit, Missouri, in 1999.

The underground business complex was an active limestone mine in the 1940s, owned by real estate firm Hunt Midwest. As mining started to taper off, it left a vast network of empty caves.

NOVEMBER 2009 - Valmeyer - The building in the Valmeyer, Illinois limestone caves, operated by Admiral Parkway, Inc. Developers, houses the National Archives, several other storage businesses, and ...

Such was the case with the Bethany Falls limestone mine, a 1940s operation that dug deep into the 270 million-year-old bedrock underpinning Kansas City, Missouri.

Not so long ago, the cute and curious ring-tailed lemurs of southwestern Madagascar had scientists stumped. Each morning, for about a week, the scientists would arrive in a forest they knew to be ...

There's a lot of history buried beneath Kansas City streets, from Prohibition-era passageways and underground caves to the oldest bar in Missouri. Search Query Show Search Protect KCUR ...

Limestone caves in the Kansas City area have been used to store immigration records for years. USCIS opened its National Records Center in a cave in Lee’s Summit, Missouri, in 1999.

THE resumption of business activities inside a 400-million-year-old limestone cave is raising public concerns about the long term effects on Selangor’s Gombak-Hulu Langat Geopark (GHL Geopark ...

Kansas City’s elaborate network of man made caves made the national news on Monday, Jan. 24 for the vital government records that some of them hold. Physical media from film and photographs to ...

THE resumption of business activities inside a 400-million-year-old limestone cave is raising public concerns about the long term effects on Selangor’s Gombak-Hulu Langat Geopark (GHL Geopark ...