Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Very silty plastic clay
Color, 5Y4/1
29. very fissile , sli(gh)ty
silty 2yg Sh.
fr.col. '10YR 5/2
30. Same unit pods of
lignite
31.5. Very plastic, massive
clay with much
lignite material
of "BENTONITE" with
"L.B. bed." selonite x16. 5Y5/3
Wh. color 27-36
5Y6/11
LIGNITIC MAT INC
upward.
34. N2 Very lignitic
CARBONACOUS Q
"bentonitic"? PLASTIC
CLAY,