http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=Arkansas;smode=simple;subject=Mississippi River Valley;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DArkansas;smode%3Dsimple;subject%3DMississippi%20River%20Valley;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=Arkansas;smode=simple;subject=Mississippi River Valley;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT A view of the lead mines of Missouri: including some observations on the mineralogy, geology, geography, antiquities, soil, climate, population, and productions of Missouri and Arkansaw, and other sections of the western country. : Accompanied by three engravings. Schoolcraft, Henry Rowe, 1793-1864 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