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Applying atmospheric status equations to data collected from a sealed mine, postfire atmosphere / by Robert J. Timko and R. Lincoln Derick (Report of investigations ; 9362)

Applying atmospheric status equations to data collected from a sealed mine, postfire atmosphere / by Robert J. Timko and R. Lincoln Derick (Report of investigations ; 9362)
Microform図書
1991<YCA-I 28.23:9362>
National Diet Library
  • Author HeadingTimko, Robert J Derick, R. L United States. B...

Evaluation of moderately high-pressure water-jet assist applied to single drag bit tools / by J.L. Thompson, E.D. Thimons, and R.J. Timko (Report of investigations ; 9239)

Evaluation of moderately high-pressure water-jet assist applied to single drag bit tools / by J.L. Thompson, E.D. Thimons, and R.J. Timko (Report of investigations ; 9239)
Microform図書
1989<YCA-I 28.23:9239>
National Diet Library
  • Author HeadingThompson, J. L Thimons, Edward D Timko, Robert J United States. Bureau of Mine...

Evaluating ventilation parameters of three coal mine gobs / by R.J. Timko, F.N. Kissell, and E.D. Thimons (Information circular ; 9109)

Evaluating ventilation parameters of three coal mine gobs / by R.J. Timko, F.N. Kissell, and E.D. Thimons (Information circular ; 9109)
Microform図書
1986<YCA-I 28.27:9109>
National Diet Library
  • Author HeadingTimko, Robert J Kissell, Fred N Thimons, Edwa...

Techniques for constructing concrete block stoppings / by Robert J. Timko and Edward D. Thimons (A Bureau of Mines handbook)

Techniques for constructing concrete block stoppings / by Robert J. Timko and Edward D. Thimons (A Bureau of Mines handbook)
Microform図書
1983<YCA-I 28.16/2:T 22>
National Diet Library
  • Author HeadingTimko, Robert J Thimons, Edward D United Stat...

Techniques for constructing concrete block stoppings / Robert J. Timko and Edward D. Thimons (A Bureau of Mines handbook)

Techniques for constructing concrete block stoppings / Robert J. Timko and Edward D. Thimons (A Bureau of Mines handbook)
Microform図書
1983<YCA-I 28.16/2:C 76>
National Diet Library
  • Author HeadingTimko, Robert J Thimons, Edward D United Stat...

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