Shipping list no.: 95-0074-P."National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 48-50).Mode of access: Internet
Shipping list no.: 2003-0190-P."Contribution from the National Water-Quality Assessment Program."Inc...
Shipping list no.: 97-0017-P."National Water-Quality Assessment study unit"--Cover."Contribution fro...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...
Shipping list.: no. 98-0020-P."National Water-Quality Assessment Program"--Cover.Includes bibliograp...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0221-P.Includes bibliograph...
Shipping list no.: 98-0254-P."National Water Quality Assessment Program"--Cover.Includes bibliograph...
Chiefly ill.Shipping list no.: 98-0374-P."National Water-Quality Assessment Program"--Cover.Includes...
Shipping list no.: 99-0294-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 2004-0174-P.Includes bibliographical references (p. 23-24).Mode of access: Intern...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 2002-0298-P.Includes bibliogra...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 54-57).Mo...
Shipping list no.: 96-0345-P."Contribution from the National Water Quality Assessment Program."Inclu...
Shipping list no.: 2000-0274-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 98-0118-P."Contribution from the National Water-Quality Assessment Program."Inclu...
Shipping list no.: 2003-0190-P."Contribution from the National Water-Quality Assessment Program."Inc...
Shipping list no.: 97-0017-P."National Water-Quality Assessment study unit"--Cover."Contribution fro...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...
Shipping list.: no. 98-0020-P."National Water-Quality Assessment Program"--Cover.Includes bibliograp...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0221-P.Includes bibliograph...
Shipping list no.: 98-0254-P."National Water Quality Assessment Program"--Cover.Includes bibliograph...
Chiefly ill.Shipping list no.: 98-0374-P."National Water-Quality Assessment Program"--Cover.Includes...
Shipping list no.: 99-0294-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 2004-0174-P.Includes bibliographical references (p. 23-24).Mode of access: Intern...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 2002-0298-P.Includes bibliogra...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 54-57).Mo...
Shipping list no.: 96-0345-P."Contribution from the National Water Quality Assessment Program."Inclu...
Shipping list no.: 2000-0274-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 98-0118-P."Contribution from the National Water-Quality Assessment Program."Inclu...
Shipping list no.: 2003-0190-P."Contribution from the National Water-Quality Assessment Program."Inc...
Shipping list no.: 97-0017-P."National Water-Quality Assessment study unit"--Cover."Contribution fro...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...