This method of drilling is not federally supervised under the Safe Drinking Water Act. 根據安全飲用水法案,這種開采方法是不受聯邦監管的。
While strip mining is most suitable for level areas, a method has also been devised for working in hilly regions. 如果說剝離開采最適用于平緩的地形的話,那么對山坡地形的開采也設計有一種開采方法。