Vinson, Robert P.
Face ventilation measurement with sulfur hexafluoride (SF₆) / by Robert P. Vinson ... [et al.]. - [Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1980. - 16 p. : ill. ; 27 cm. - Report of investigations ; 8473 . - Report of investigations (United States. Bureau of Mines) ; 8473. .
Includes bibliographical references.
80607771
Mine ventilation--Measurement.
Sulfur hexafluoride.
TN23 TN301 / .U43 no. 8473
622 s 622/.42/0287
Face ventilation measurement with sulfur hexafluoride (SF₆) / by Robert P. Vinson ... [et al.]. - [Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1980. - 16 p. : ill. ; 27 cm. - Report of investigations ; 8473 . - Report of investigations (United States. Bureau of Mines) ; 8473. .
Includes bibliographical references.
80607771
Mine ventilation--Measurement.
Sulfur hexafluoride.
TN23 TN301 / .U43 no. 8473
622 s 622/.42/0287