http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Missouri River Valley -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DMissouri%20River%20Valley%20--%20History Results for your query: docsPerPage=100;f4-subject=Missouri River Valley -- History Thu, 01 Jan 1970 12:00:00 GMT Frontier days along the Upper Missouri. Flandrau, Grace, 1889-1971 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 The Missouri River and its utmost source: curtailed narration of geologic, primitive and geographic distinctions descriptive of the evolution and discovery of the river and its headwaters. Brower, Jacob Vradenberg, 1844-1905 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 Fort Union and its neighbors on the Upper Missouri: a chronological record of events. Harper, Frank B., Great Northern Railway Company (U.S.) 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