An Investigation Into the Adaption of the Induction Furnace for Determining the Equilibrim Diagram of the System Cu2S-FeS

This investigation was started in an effort to find an accurate and efficient method of determining the freezing points of ferrous and cuprous sulphides, mixtures of the two substances, and from this to establish the liquidus line of the equilibrium dia­gram.

The Physiographic History of Western Montana and Northwestern Idaho

Millions of years of physiographic changes have conditioned us to the fact that our present drainage is a temporary feature. Rivers once flowing opposite to their present direction is not an unusual condition for physiographers to suggest.