Sinkhole also form in high and dry places in specific locations. Sinkholes that capture drainage can hold it in large limestone caves. These caves may drain into tributaries of larger rivers. The formation of sinkholes involves natural processes of erosion or gradual removal of slightly soluble bedrock (such as limestone) by percolating water, the collapse of a cave roof, or a lowering of the water table. Sinkholes often form through the process of suffosion. For example, groundwater may dissolve the carbonate cement holding the sandstone particles together and then carry away the lax particles, gradually forming a void. Occasionally a sinkhole
Wall Street and the Financial Crisis: Anatomy of a Financial Collapse report, Goldman said "While we disagree with many of the conclusions of the report, we take seriously the issues explored by the subcommittee. We recently issued the results of a comprehensive examination of our business standards and practices and committed to making significant changes that will strengthen relationships with clients, improve transparency and disclosure and enhance standards for the review, approval and suitability of complex instruments." In another press release, Goldman claimed that they " did not have access to any special information that caused us to know that the U.S. housing market would collapse." They claimed they had no