00578nam a22002051 4500102361592MiAaHDL20180502000000.0m d cr bn ---auaua920916s1947 dcua f000 0 eng dsdr-nnc1206285AGS9514CU(OCoLC)26615432ZCUZCUUnited States.Bureau of Labor Statistics.Expenditures for oil and gas well drilling, 1947,by David Siskind.Washington[1947]12 p.tables.Mode of access: Internet.Natural gasUnited States.Oil well drilling.10236159220030428220018.020180502000000.020180502090622.02026-03-30T17:41:18Z2026-03-30T17:30:03ZSDR-NNCUNKNOWNprepare.pl-004-007BKsdr-nnc1206285nnc1SDRNNCnnc1.cu04131940NNC1206285NNCNNC20260330googlennc1.cu041319401947pdbibUS fed doc