Title from PDF title screen (viewed Sept. 01, 2004). "April 1999."
Technical Details
Mode of access: Internet from the GPO permanent archive. Address as of 9/01/04: http://permanent.access.gpo.gov/waterusgsgov/water.usgs.gov/pubs/fs/FS-040-99/pdf/fs-040-99.pdf; current access is available via PURL.
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.
