The Second International Symposium on Land Subsidence was held in Anaheim, California. December 13–17, 1976. Organized by the AGU within the framework of Unesco's International Hydrological Program, it was sponsored jointly by the International Association of Hydrological Sciences, International Association of Hydrogeologists, International Society for Soil Mechanics and Foundation Engineering, U.S. National Committee for Scientific Hydrology, and Unesco.Papers presented ranged from mathematical modeling studies through general descriptions of project progress and subsidence case histories to legal and economic aspects of subsidence. The program was very broad in scope, covering theory, investigation, measurement, prediction, and control of subsidence, including land‐surface sinking resulting from withdrawal of water, oil, or gas, dewatering of organic deposits, hydrocompaction, extraction of solids by mining, and collapse of limestones.
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