USGS Mineral Resources Program : international activities /
Kropschot, S. J.(Susan J.)
Geological Survey (U.S.)
[Reston, VA] : U.S. Geological Survey,
[1998]
Caption title.
"January 1998"--P. [1].
"U.S. Department of the Interior, U.S. Geological Survey"--P. [1].
Minerals
Mines and mineral resources