http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Limestone -- Ohio River Valley) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DLimestone%20--%20Ohio%20River%20Valley Results for your query: docsPerPage=100;f277-subject=Limestone -- Ohio River Valley Thu, 01 Jan 1970 12:00:00 GMT Limestone and dolomite availability in the Ohio River Valley for sulfur sorbent use, with observations on obtaining reliable chemical analyses. Stith, David A., Illinois State Geological Survey, Ohio Valley Mineral Consortium, Ohio Division of Geological Survey. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT