This paper will summarize the available literature and recent discoveries on the production and use of metals by peoples ofthe Indus Valley,Tradition of Pakistan and Western India. The primary focus is on the Harappan Phase (2600-1900 B.C.), and includes a review of collections and technical arialyses of metal artifacts, along with tables of the published analyses from the sites of Mohenjo-daro, Harappa, Lothal, and Rangpur.