shale with interbeds siltstone. 10,0 +/- sandstone, fine to med grained, in massive brown - yellowbrown weathering blocks up to 4.0 thick. Slope wash. Down slope in bzsc Canyon about 3.5 feet of slabby siltstn + silty dk gray shale on top of this ss, then whole covered by thick mottled red wash. Not far cast on hill sides patches of Skull Creek crop out. Fairly safe to assume complete Fall River, but not certain. 55