Time factors of differentially preserved wood in two calcitic concretions in Pennsylvanian black shale from Indiana / Bertram G. Woodland -- and Catherine K. Richardson --.
Woodland, Bertram G.
Richardson, Catherine Kessler,
Field Museum of Natural History,
"August 20, 1975."
"This volume is dedicated to Dr. Rainer Zangerl."
A large concretion in the black shale above Springfield Coal Member (No. V), Desmoinesian Series, Pennsylvanian, from the Blackfoot #5 mine, Pike County, Indiana, contains a piece of fossil wood with
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Mus
QE1 .F4 vol. 33, no. 10
Fieldiana. Geology ; v. 33, no. 10
Publication (Field Museum of Natural History) ; 1206