http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f70-subject=Salt mines and mining -- Ohio -- Cleveland) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f70-subject%3DSalt%20mines%20and%20mining%20--%20Ohio%20--%20Cleveland Results for your query: docsPerPage=100;f70-subject=Salt mines and mining -- Ohio -- Cleveland Thu, 01 Jan 1970 12:00:00 GMT Report of cursory examination, The Union Salt Company, Cleveland, April 1st, 1911. Ernst & Ernst 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 City of salt under Lake Erie: the story of the Cleveland Mine of International Salt Company. International Salt Company 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