00759cam a22002291i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002800111042001200139050002200151086001600173100004400189245005800233260005000291300005900341410009500400650001700495999001700512gs 21000177 DLC20260227111325.0790222s1921    dcubd        f001 0 eng    ags 21000177   a(OCoLC)4681216  aDLCcCoU-DAdOCoLCdDLC  apremarc00aQE75b.P9 no. 1210 aI 19.16:1211 aRogers, Gaillard Sherburne,d1889-1919.10aHelium-bearing natural gas /cby G. Sherburne Rogers.  aWashington :bU.S. Gov't. Print. Off.,c1921.  a113 p. :bmaps (part fold.), tables, diagrs. ;c29 cm.20aGeological Survey (U.S.).tProfessional paper - United States Geological Survey ;vno. 121 0aNatural gas.  c26087d26087