Description
Published:Began with Jan. 1987.
Item Description:Imprint varies: Washington, D.C., 19 -<Oct. 1995>; Reston, Va., <Dec. 1995->
Distributed to depository libraries in microfiche, 1987-<June 1995>
Not distributed to depository libraries in a physical form, <1996->
Description based on: June 1987; title from caption.
Previously classed: I 19.169: and I 19.147:
Paper subscription available from: U.S. Geological Survey, Minerals Information Publications Services, 984 National Center, Reston VA 20192.
Imprint varies: Washington, D.C., 19 -<Oct. 1995>; Reston, Va., <Dec. 1995->
Title from caption.
Description based on: June 1987.
Physical Description:volumes ; 28 cm.
Some issues also available via Internet from the USGS Web site (PDF file only). Address as of 5/29/01: http://minerals.usgs.gov/minerals/pubs/commodity/phosphate_rock/index.html#mis
Publication Frequency:Monthly
ISSN:0191-443X