Properties of Oak Spring formation in Area 12 at the Nevada Test Site - Diment, W.H.; Wilcox, R.E.; Keller, G.V.; Dobrovolny, E.; Kracek, F.C.; Roller, J.; Peseinick, L.C.; Robertson, E.C.; Lachenbruch, A.H.; Bunker, C. (Open-File Report, 1959)