The book has no illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from the publisher's website (GeneralBooksClub.com). You can also preview excerpts of the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Subtitle: Hearings Before the Committee on Mines and Mining United States Senate, Sixty-Fifth Congress, Second Session, on the Bill H. R. 11259 to Provide Further for the National Security and Defense by Encouraging the Production, Conserving the Supply, and Controlling the Distribution of Those Ores, Metals, and Minerals Which Have Formerly Been Largely Imported, or of Which There Is or May by an Inadequate Supply; Original Publisher: Govt. print. off.; Publication date: 1918; Subjects: Mines and mineral resources; History / Military / World War I; Technology