Marl, tufa rock, travertine, and bog ore in Ohio /
Stout, Wilber, 1876-1961.
Marl, tufa rock, travertine, and bog ore in Ohio / by Wilbur Stout. - Columbus, Ohio : Geological Survey of Ohio, 1940 - 56 p. ; 25 cm. - Bulletin ; no. 41 . - Bulletin (Geological Survey of Ohio) ; no. 41. .
Includes bibliographical references.
gs 41000027
Marl.
Travertine--Ohio.
Limestone.
Iron ores--Ohio.
QE151 / .A18 no. 41
ONR 84.3:41
Marl, tufa rock, travertine, and bog ore in Ohio / by Wilbur Stout. - Columbus, Ohio : Geological Survey of Ohio, 1940 - 56 p. ; 25 cm. - Bulletin ; no. 41 . - Bulletin (Geological Survey of Ohio) ; no. 41. .
Includes bibliographical references.
gs 41000027
Marl.
Travertine--Ohio.
Limestone.
Iron ores--Ohio.
QE151 / .A18 no. 41
ONR 84.3:41