Karst hydrogeology in the United States of America: 21st congress of the International Association of Hydrogeologists karst hydrogeology and karst environment protection, Oct. 1988, Guilin, China

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• 副题名：Open File Report
• 责任者：Moore ; John E. ; Troester ; Joseph W. ; Peck ; Dallas L.
• 责任方式：Written
• 出版者：U. S. Geological Survey
• 出版年：1900
• 出版地：S. l.
• 出版日期：1900/1/1 0:00:00
• 分类号：492.57
• 语言：English

摘要

Karst hydrogeology has been the subject of much study in the United States. About 15 percent of the conterminous United States has carbonates, gypsum, or other soluble rocks at the land surface. Dissolution of these rocks has formed karst topography at the surface and karst features in aquifers that area major source of drinking water.