✦ LIBER ✦

THE LAKE SUPERIOR FIRE ASSAY FOR COPPER.

✍ Scribed by Heath, George L.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

THE FORMATION OF LAKE SUPERIOR COPPER

✍ Lane, A. C.; Fernekes, G. 📂 Article 📅 1907 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 64 KB

The copper-bearing rocks of Lake Superio

✍ SELWYN, A. R. C. 📂 Article 📅 1883 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 69 KB

The copper-bearing rocks of Lake Superio

✍ IRVING, R. D. 📂 Article 📅 1883 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 216 KB

THE COPPER-BEARING SERIES OF LAKE SUPERI

✍ CHAMBERLIN, T. C. 📂 Article 📅 1883 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 362 KB

The copper-bearing rocks of Lake Superio

✍ IRVING, R. D. 📂 Article 📅 1883 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 196 KB

IRVING ON THE COPPER-BEARING ROCKS OF LA

📂 Article 📅 1885 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 202 KB