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兰切尔斯(Ranchers)勘探开发公司指出,在小型矿山可以成功地使用大量崩矿采矿法。埃斯卡兰蒂(Escalante)银矿的实践证实了这个论点,该矿只有用大量崩矿采矿法开采才算经济合理。兰切尔斯公司也承担和解决了必须从一个含水层排出大量地下
Ranchers Exploration and Development Inc. has pointed out that a large number of collapse mining methods can be successfully used in small mines. The practice of the Escalante silver mine confirms this argument that it is only economically justifiable to mine large amounts of colliery. Rankchels also undertook and settled the massive underground that had to be drained from an aquifer