Actions for Promoting the mining of coal, phosphate, sodium, potassium, oil, oil shale, gas, and sulfur on lands acquired by the United States [electronic resource].
Promoting the mining of coal, phosphate, sodium, potassium, oil, oil shale, gas, and sulfur on lands acquired by the United States [electronic resource].
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Mar. 2008). Reuse except for individual research requires license from ProQuest, LLC. AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
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Electronic resource. [Bethesda, Md.]: ProQuest, 2004. (ProQuest U.S. Serial Set Digital Collection : no. 11115 S.rp.161).