Little Thompson section. Starting base of slope in draw at top of Massive ledge 3rd SS. N. 9° W, 16° E on platy beds in A. N. 6° W, 16½° E on bedding plan in 3rd SS. Top massive to evenlaid x low, ss brownweth of 3rd A. 11.2 Partially obscured, ledges of platy gray fine grinded sandstone with interbeds, irreg, bedded argill ss and siltstone, red - shaly siltstn + silty shale, gray, carb particles throught. B. 7.1± Obscured - Gray silty shale and siltstone, wash covered. Siltstn in layers up to 2", bed siltstone Fe-stained at top. C 15.6± Shale, hard, gray to dk gr, finely silty to silty, with zones shaly siltstn. In upper 3' zones carb irreg, argill soft siltstone + blk finely silty sh. Sample (1) Lower 10' Sample (2) Upper 5' D. 1.6 Siltstone, hard, irreg, massive ledge, Fe-stained, hard carb fuzzs. E. 3.8 Shale, hard, blk sh fissile, very finely silty, with 0.4 bed siltstone at top as in D. Sample (3) F. 14.0 shale, dk gr to bl, finely silty to 40