At another place this sandstone shale gone sandstone shale shale rock .. .. .. calcareous concretions. The irregular differences The small calcareous globules are pretty all limestone conglomerate but calcareous concre- tions = sinter. In places there's an made of j rounder branching clay stems lying horizontally, like Bu- thotophis. At the deeper horizon seen the Jurassic limestone and sinter kernels marred over a mudstone. Sand- stone are all of rare colors therein and uniform, mixed well mixed. There is also here considerable slickensiding in vertical faces up to 4 feet high. Returning the structure may be interpreted in two ways. (1) One series of outcrops lies ana