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sinkhole |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.07 sec. |
sinkholeor sink or dolineDepression formed as underlying limestone bedrock is dissolved by groundwater. Sinkholes vary greatly in area and depth and may be very large. The two main varieties are those caused by the collapse of a cavern roof, and those caused by the gradual dissolving of rock under a soil mantle. Collapsed sinkholes generally have steep rock sides and may receive streams that then flow underground. Soil-mantled sinkholes are generally shallower; they may become clogged with clay and hold a small lake. |
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Just a month ago, the biggest news story in Dallas was about the search for a little boy who disappeared and may have fallen into a large sink hole above a sewer pipe. In fact, a sink hole was within a stone's throw from Sukalski's existing dairy facility. Rescuers were stymied in their effort to save three horses standing stuck in a sink hole near Sierra Highway and Agua Dulce Canyon Road because a section of highway had washed out. |
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