http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f14-subject=Mines and mineral resources) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f14-subject%3DMines%20and%20mineral%20resources Results for your query: docsPerPage=100;f14-subject=Mines and mineral resources Thu, 01 Jan 1970 12:00:00 GMT On the origin of mineral veins. Whittlesey, Charles, 1808-1886 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 metallic wealth of the United States: described and compared with that of other countries. Whitney, J. D. (Josiah Dwight), 1819-1896 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 International control of minerals: U.S. Geological survey. Mineral resources of the U.S., 1917, pt. 1. Leith, C. K. 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