By Zienkiewicz, O. C., Lewis, R. W., Stagg, K. G.
By Wynne, J.A., Stagg, S.A.
By Stagg, S.A.
By Apostrophe S, Phenix, Penny, Stagg, Pam
By Stagg, Donald, etc.
By Stagg, Guy
By U.S. Geological Survey, National Research Council, Polar Research Board, Wise, Woody, Stump, Edmund, Storey, Bryan, Stagg, Howard, Barrett, Peter, Cooper, Alan K.