Authors: Waldemar Lindgren

  • The Gold-Quartz Veins Of Nevada City And Grass Valley Districts, California (1896) — Waldemar Lindgren

    The Gold-Quartz Veins Of Nevada City And Grass Valley Districts, California (1896) — Waldemar Lindgren

  • The Mining Districts of the Idaho Basin and the Boise Ridge, Idaho — Waldemar Lindgren

    The Mining Districts of the Idaho Basin and the Boise Ridge, Idaho — Waldemar Lindgren