By MacGregor, D.S., etc., Moody, T.J., Clark-Lowes, D.
By Knapp, Brian
By David Jacoby
By MartÃn Arboleda
By Shropshire Caving & Mining Society, Shropshire Caving & Mining Society, Pearce, A., Newton, Malcolm
By Parnell, John
By American Association of Petroleum Geologists Foundation
By Thurlow, Charles
By Kearey
By Anthony M. Evans
By Telford, W. M., Geldart, Lloyd Philip, Sheriff, R. E., Keys, D. A.
By John Milsom
By Frank Jahn
By A.H.G. Mitchell, M.S. Garson
By Tearpock, Daniel J., Bischke, Richard E.
By William L. Abriel (author)
By Henriquez Jose
By Marschall, R.
By Brady, Barry H. G., Brown, E. T.
By Rogerson, J.H.
By Brady, Barry H.G., Brown, E. T.
By Rossi, Mario E., Deutsch, Clayton V.
By Schernikau, Lars
By Allen, Victor L.
By Rose, Peter R.
By Wagoner, J.C.Van-, etc.
By Cox, Mike, Chen, Roland, Scherrer, Eugene F.
By Younger, Paul L., Banwart, S.A., Hedin, Robert S.
By Brown, Alistair R.
By Bick, David