SubTropolis
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SubTropolis is a business complex located inside of a Script error: No such module "convert"., Script error: No such module "convert". mine in the bluffs north of the Missouri River in Kansas City, Missouri. It was developed by late Kansas City Chiefs owner Lamar Hunt via Hunt Midwest Real Estate Development, Inc., with the trademarked phrase World's Largest Underground Business Complex.
SubTropolis is up to Script error: No such module "convert". beneath the surface, dug into the Bethany Falls limestone mine. It has a grid of Script error: No such module "convert"., Script error: No such module "convert". tunnels separated by Script error: No such module "convert". limestone pillars created by the room and pillar method of hard rock mining.[1] The complex contains almost Script error: No such module "convert". of illuminated, paved roads and several miles of railroad track.
The mine naturally maintains year-round temperatures between Script error: No such module "convert".. The United States Postal Service and the U.S. Environmental Protection Agency lease spaces within SubTropolis, the U.S. Postal Service for its collectible stamp operations and the Environmental Protection Agency for its Region-7 Training and Logistics Center.[2] The National Archives and Records Administration leases space for a Federal Records Center.[3]
On the surface of the north edge of the complex, Hunt developed the Worlds of Fun and Oceans of Fun amusement park complex. His extensive business dealings in Clay County contributed to the Chiefs establishing a training camp site at Liberty's William Jewell College from 1963 until 1991.
Other facilities exist that are similar to SubTropolis, although not on the same scale, such as the abandoned mine in Butler, Pennsylvania used by Corbis and the Federal Government for secure storage. The room and pillar mining method is used to extract limestone throughout the Midwest, and many companies are looking at ways to utilize the hundreds of millions of square feet created in this manner, such as for mushroom farming and crude oil stockpiling.
See also
- Mega Cavern, a similar and smaller cavern in Louisville, Kentucky
References
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Bibliography
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External links
- SubTropolis home site (Hunt Midwest)
- SubTropolis Technology Center home site (Hunt Midwest)
- Template:Delink's channel on YouTubeScript error: No such module "Check for unknown parameters".
- Pages with script errors
- Wikipedia cave articles with unreferenced coordinates
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- Buildings and structures in Kansas City, Missouri
- Landforms of Clay County, Missouri
- Economy of Kansas City, Missouri
- Subterranea of the United States
- Warehouses in the United States
- Buildings and structures in Missouri
- Limestone industry