Production of oil from tar sand and other hydrocarbon deposits hearing before the Subcommittee on Energy Resources and Materials Production of the Committee on Energy and Natural Resources, United States Senate, Ninety-sixth Congress, second session, on S. 2717 ... H.R. 7242 ... September 4, 1980

"Production of oil from tar sand and other hydrocarbon deposits hearing before the Subcommittee on Energy Resources and Materials Production of the Committee on Energy and Natural Resources, United States Senate, Ninety-sixth Congress, second session, on S. 2717 ... H.R. 7242 ... September 4, 1980"@en
"Production of oil from tar sand and other hydrocarbon deposits : hearing before the Subcommittee on Energy Resources and Materials Production of the Committee on Energy and Natural Resources, United States Senate, Ninety-sixth Congress, second session, on S. 2717 ... H.R. 7242 ... September 4, 1980"
"Production of oil from tar sand and other hydrocarbon deposits : hearing before the Subcommittee on Energy Resources and Materials Production of the Committee on Energy and Natural Resources United States Senate Ninety-sixth Congress, second session"@en
"Production of oil from tar sand and other hydrocarbon deposits : hearing before the Subcommittee on Energy Resources and Materials Production of the Committee on Energy and Natural Resources, United States Senate, Ninety-sixth Congress, second session, on S. 2717 ... H.R. 7242 ... September 4, 1980"@en