✦ LIBER ✦

The copper-bearing rocks of Lake Superior

✍ Scribed by IRVING, R. D.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

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 ⚖ 196 KB

IRVING ON THE COPPER-BEARING ROCKS OF LA

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

Irving's Copper-Bearing Rocks of Lake Su

📂 Article 📅 1885 🏛 University of Chicago Press 🌐 English ⚖ 176 KB

THE COPPER-BEARING SERIES OF LAKE SUPERI

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

The Lake-Superior rocks

✍ WINCHELL, N. H. 📂 Article 📅 1883 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 82 KB