Fascinating series of 5 maps showing gold and gem locations around Nevada, as well as historical maps with settlements. The first map shows gems and minerals in the northwest, and the Bohemia Mining District. The second map shows gold and gems in the northeast part of Nevada, and the Northeast Oregon Mining District. The third map shows gold and gems in the southwest part of the state, and gold placers in southwest Oregon. The fourth map shows gold and gems in the southeastern part of the state, and the southern Oregon district in 1904. The fifth map shows Oregon in 1900 and recreational mining areas.