시 관계자들이 1993년 면밀히 조사한 결과 지하수가 이전에 생각했던 것보다 훨씬 적으며 또한 급격히 줄어들고 있는 것으로 나타났다.
A close examination by city officials in 1993 showed that groundwater was much less than previously thought and was also shrinking sharply.