Barnes, V.E., Shell Oil Co., Humble Oil and Refining Co., Mobil Oil Co., Pan American Petroleum Corp., Eaton, R.W., Wright, A.C., McCallum, H.D., Wendlandt, E.A., Burford, S.O., Gibson, D.T., Pieper, M.K., Haenggi, W.T., Owen, D.E., Shelby, C.A.

Frye, J.C., Leonard, A.B.

Moore, C.H.

Barnes, V.E., Bell, W.C., Clabaugh, S.E., Cloud, P.E., Jr., Young, Keith, McGehee, R.V.

Netzeband, F.F., Early, T.R., Girard, R.M.