http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f26-subject=Natural history -- The West) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f26-subject%3DNatural%20history%20--%20The%20West Results for your query: docsPerPage=100;f26-subject=Natural history -- The West Thu, 01 Jan 1970 12:00:00 GMT Reports of explorations and surveys: to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean. Made under the direction of the secretary of war, in 1853-[6]. United States War Dept., Henry, Joseph, 1799-1878, Baird, Spencer Fullerton, 1823-1887, United States Army. Corps of Engineers. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT