http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Grand Canyon) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DGrand%20Canyon Results for your query: docsPerPage=100;f277-subject=Grand Canyon Thu, 01 Jan 1970 12:00:00 GMT First through the Grand Canyon: being the record of the pioneer exploration of the Colorado River in 1869-70. Powell, John Wesley, 1834-1902, Kephart, Horace, 1862-1931 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