http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Copper River Region (Alaska)) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DCopper%20River%20Region%20(Alaska) Results for your query: docsPerPage=100;f5-subject=Copper River Region (Alaska) Thu, 01 Jan 1970 12:00:00 GMT The geology and mineral resources of a portion of the Copper River district, Alaska. Schrader, Frank Charles, 1860-1944, Spencer, Arthur Coe, 1871- 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 Alaska. 1899. Copper River exploring expedition. United States Copper River Exploring Expedition., Abercrombie, W. R. (William Ralph), b. 1857 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