Tag Archives: underground
Taking Surveying Underground
By Ben Shinabery Louisville’s massive Mega Caverns presented challenges for a huge subterranean survey Every day more than 150,000 people drive past the interstate billboards advertising the Louisville Mega Caverns not realizing they just drove over what is classified as the largest commercial building in Kentucky, even though it is entirely underground. What once was...
Looking Forward: Underground Surveying
This month's issue features a story about underground surveying. Beneath parts of the Louisville, Kentucky is the Louisville Mega Cavern, an underground space of 100 acres created by years of mining rock.
Out of Sight; Not Out of Mind
Cities are now creating their own subsurface utility maps to manage their underground assets. But the lack of an open-based geospatial model means that data are often not interoperable. A new mapping standard aims to fix that. In the years since 2004 when a leaking gas pipeline exploded in Ghislenghien, an industrial town in Belgium,...