http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;smode=simple;subject=Limestone -- Ohio;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;smode%3Dsimple;subject%3DLimestone%20--%20Ohio;subject-join%3Dexact Results for your query: docsPerPage=100;smode=simple;subject=Limestone -- Ohio;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Lower and Middle Devonian limestones in northeastern Ohio and adjacent areas. Dow, John W., Ohio Division of Geological Survey. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT The lower limestone group: coal series of northeastern Ohio. Whittlesey, Charles, 1808-1886, Institute of Ohio Engineers http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Recent information on the Maxville limestone. Lamborn, Raymond E. (Raymond Ellwood), b. 1890, Geological Survey of Ohio http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Supplemental core investigations for high-calcium limestones in western Ohio and discussion of natural gas and stratigraphic relationships in the Middle to Upper Ordovician rocks of southwestern Ohio. Stith, David A. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT