Imprint varies: Washington, D.C., 19 -Oct. 1995; Reston, Va., Nov. 1995-
Not distributed to depository libraries in a physical form, <1996->
Description based on: Jan. 1979; title from caption.
Microfiche. <1986-May 1995> : [Washington, D.C.] : Supt. of Docs., U.S. G.P.O. microfiches : negative.
Vols. for <Nov. 1987-Jan. 1990> prepared in: the Branch of Ferrous Metals; <Oct. 1990-> in: the Branch of Metals and Branch of Data Collection and Coordination.
Vols. for 19 -Oct. 1995 issued by: Bureau of Mines; Nov. 1995- by: U.S. Geological Survey.
Summarized by annual: Iron ore in ...