The fusulines in -4 are possibly weathered out from lower horizon and redeposited in pockets in the reef facies. C.O.D. believes these are at least superficially similar to those of collection -3. The contact between the massive cliff forming and the underlying could be either a cut surface or a squeezed surface. The way the lower limestone units in the siltstone lens in and out would suggest a facies change and not a great unconformity right at the base of the Hess ledge. PG. 9 Collection 6/24/57-5 - at the base of Upper Hess Ledge, 250 yards south of gully 1st head lg. which follows down Carcajew section. Unit 53, Section 8. Collection 6/24/57-6 - a fossiliferous (8-37) horizon in Hess which is 1/2 way more or less (80') above the basal Hess Sacchinella limestone. This interbedded with the siltstone, sandstone (CaCO3) iron - chert stained. Collection 6/24/57-7 - slabs of a fusuline and shell cochina-45' +/- above top of Lower Hess Sacchinella limestone reef at Carcajew section. PG. 10 Gaptank type area. Clear and sunny. loc 1 6/25/57-1 Collection from a limestone within the upper Gaptank conglo. of P.King on or close by to the type section. loc 1 6/25/57-2 Collection on back northeast slope at top of P.King Upper Gaptank conglo. unit. loc 2 6/25/57-3 10' above Collection 2 - 6' or 8' of brownish weathering nodular limestone with interbedded yellowish shale-beds above are sandy (brownish- red). loc 3 6/25/57-4 about 80' above Collection 3 in what we believe is P.King's (this maybe his #2 limestone however). This is #2! light gray to white limestone with occasional light yellow patches. loc 4 6/25/57-5 near top of P.King's #3 limestone- In one of many gray limestone shell cochinas. This slope has some loose fragments on it which are included in collections. loc 6 6/25/57-6 10' to 15' below base of P.King's #4 Gaptank limestone - in a brown and gray weathering limestone. PG. 11 loc 7 6/25/57-7 Collection taken at base of what we believed is P.King's #5 Gaptank limestone. Drove C.O. Dunbar to Monahans to get Santa Fe for Dallas. C.O.D. seemed pretty convinced that the Gaptank is Canyon in age and not Cisco. Suggested that Uddenites might be a Cisco equivalent and he said yes that was what the fusulines pointed to. He didn't know whether the #2 limestone of King's might not also be Cisco also- The problem of the conglomerate pebbles in limestones came up again. This is a good point-Ref. to Australian paper might be good here.