Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Sec 8628
w/ siderite concret
"pop corn" wh. crust
typical of lobo
clays very dark grey
w/ slickensides,
some roots limonite
on joins faces
typical of soil
profile er. (2)
16 1.1 m ss, f.g. sa lt grey
when fresh y'll gray
irreg // bedded at
base some
flat pebble cong'l
upper part
ferruginous w/ leaf
plant frags.
"second rusty"
er. (7)
top // bedded
+ ferrut
17 8.0 dark grey mudst
sh seg. pop corn
crust, sid. concret