Udall reflected on the remarkable evolution in the Delaware River Basin he had witnessed and been part of as Secretary of the Interior in the 1960s.
尤德尔先生对他亲眼目睹的特拉华河流域的显著变化进行了反思，并在20世纪60年代成为内政部的一员。
Under the mineral Leasing Act of 1920, the Secretary of the Interior was empowered to issue prospecting permits and leases for certain minerals such as oil and gas.
根据1920年的《矿藏租赁法案》，内政部长有权颁发对某些矿产(如石油和天然气等)的勘探许可证和祖约。
On Tuesday, Homeland Security Secretary Janet Napolitano and Interior Secretary Ken Salazar said they were expanding the government's investigation of the explosion that caused the oil rig disaster.
本周二，国土安全部长珍妮特JanetNapolitano对记者说，他们已经着手开始调查此次事故的原因。
On Tuesday, Homeland Security Secretary Janet Napolitano and Interior Secretary Ken Salazar said they were expanding the government's investigation of the explosion that caused the oil rig disaster.
本周二，国土安全部长珍妮特JanetNapolitano对记者说，他们已经着手开始调查此次事故的原因。
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