Field Notebook: WY 1955a
Page 139
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Transcription
with coaliferd plant frequents 6.0 Siltstone, hardy, grey, plant frequencies, inter lzm. +rvee + in tar bedded with clayey siltstone and dk gray. silty shale underlying unit; Locally forms crumbly. ledges gray-white to yellow gray weath siltst. Shale interbeds up to 0.7, fissile above blocky below. Joins to 12st unit measured of part A. Part C - Sandstone outcrop down, on lower slope. Part B begins 16' above top this sandstone 10.6 Sandstone, massive, fine- med.gr. -x lzm, weathers white, friable. Fossil wood in root at top. partially obscured. 23.5 Claystone, variegated, chalky greenish gray upper 10't 69