Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
69
middle unit
Sliding these units side on and make scale here makes a ripple
Ripple = SSE [?]
Scale units are parallel
See photo - scale marker other way
[diagram with text 'NW/SE' and 'SSE']
Solo marker2.
Our ripples upper bed aligned NW/SE
Well interlapped top of side.