The diffusion of crude petroleum through fuller's earth with notes on its geologic significance, /
Gilpin, Joseph Elliott, 1866-
The diffusion of crude petroleum through fuller's earth with notes on its geologic significance, / by J. Elliott Gilpin and Oscar E. Bransky. - Washington, Govt. Print. Off., 1911. - 50 p. : ill. ; 24 cm. - U.S. Geological survey. Bulletin 475 . - United States. Geological Survey. Bulletin ; 475. .
gs 11000453
Petroleum engineering.
Fuller's earth.
QE75 / .B9 no. 475
The diffusion of crude petroleum through fuller's earth with notes on its geologic significance, / by J. Elliott Gilpin and Oscar E. Bransky. - Washington, Govt. Print. Off., 1911. - 50 p. : ill. ; 24 cm. - U.S. Geological survey. Bulletin 475 . - United States. Geological Survey. Bulletin ; 475. .
gs 11000453
Petroleum engineering.
Fuller's earth.
QE75 / .B9 no. 475