July 12, 1963 Section: 7-12-1 14 NE 1/4 SW 1/4 sec H T140N R 90W 0 12.5 Brownish grey - light grey + limonite weathering clayey siltstone some worm tubules appear present. 1' - mottled dark Br & light y. 3' - light grey to wh 6' - wh or v.l. grey siltstone mica 1/2 %) Minute blebules (.5 to 1mm) of limonite-goethitic present in rock, slope wash. 7.5 - light grey siltstone with clay. Blebules cont. 10' Clayey siltstone l. grey some limonite staining Blebules (.25mm - 5mm) 11.5 Siltstone turned brownish grey much limonite appeared Gyp concentrated in slope wash 12.8 0.3 12.8 - Purple fissile silty Carbonaceous shale Overlain by abt 1/2" of lignitic