Pottsville fauna of Ohio.
Morningstar, Helen, 1891-
Pottsville fauna of Ohio. - Columbus, 1922. - 312 p. pl., illus., maps 25 cm. - Geological Survey of Ohio. Bulletin no. 25 . - Bulletin (Geological Survey of Ohio) ; no. 25. .
gs 22000375
Paleontology--Ohio.
Paleontology--Carboniferous.
QE151 / .A18 no. 25
ONR 84.3:25
Pottsville fauna of Ohio. - Columbus, 1922. - 312 p. pl., illus., maps 25 cm. - Geological Survey of Ohio. Bulletin no. 25 . - Bulletin (Geological Survey of Ohio) ; no. 25. .
gs 22000375
Paleontology--Ohio.
Paleontology--Carboniferous.
QE151 / .A18 no. 25
ONR 84.3:25