L Roebuck
Technical Support
Caving
^V^ Just a caver
Posts: 2,023
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Post by L Roebuck on Jun 5, 2007 7:57:06 GMT -5
Pumping of groundwater spurs surge in earth fissures Arizona Daily Star The number of earth fissures spreading across Southern and Central Arizona due to excessive water pumping is approaching 300, a top state geologist said Monday. The Arizona State Geological Survey's office released maps showing that earth fissures are proving an increased safety risk to homeowners, as development expands into areas where fissures date back to the 1940s or '50s and in some cases to the 1920s. Authorities have warned for decades that continued land subsidence from groundwater pumping can open up huge fissures. The warnings have increased in intensity in recent years as more homes are built atop old fissures, particularly in rapidly growing Pinal County between Tucson and Phoenix. Full Article
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Post by madratdan on Jun 5, 2007 8:44:36 GMT -5
That was an excellent article Lynn. Our world is ever changing around us.
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