Report upon a traffic investigation for a proposed highway bridge between Easton and Phillipsburg, located at the foot of Bushkill street, Easton, Pennsylvania, to the Delaware river joint toll bridge commission, Pennsylvania-New Jersey, October 1935.

Mimeographed.

Geology of some Gold Deposits of Montana

Gold is one of the rarer metals in nature, and chemically it is one of the most inactive. Gold forms stable, natural compounds with few other elements, and only with metals.

A Study of the Dissolution of Pyrolusite in Sulphuric Acid

With an eye to the future development of its re­sources, the large deposits of low-grade manganese ore within Montana's boundaries show great promise of developing an important industry. With the pre­sent war demands and the possibility of a future mar­ket it is essential that work expended to utilize this important mineral.

Chemist-analyst.

Vol. numbering begins with v. 16, no. 2, Oct. 1927.