Shipping list no.: 97-0233-P."National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 21-23).Mode of access: Internet
"National Water-quality Assessment Program"--Cover.Shipping list no.: 95-0128-P.Includes bibliograph...
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"National Water-Quality Assessment Study Unit"--Cover.Shipping list no.: 98-0107-P.Includes bibliogr...
Shipping list no.: 97-0273-P.Includes bibliographical references (p. 26-27).Mode of access: Internet
Shipping list no.: 99-0078-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Publisher from letter of transmittal (1 leaf, inserted).Shipping list no.: 96-0295-P."National Water...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 57-59).Mode of a...
Shipping list no.: 2003-0075-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 98-0203-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 2000-0092-P."A contribution of the National Water-Quality Assessment Program."Abs...
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Shipping list no.: 2003-0033-P.At head of title: National Water-Quality Assessment Program.Includes ...
"National Water-quality Assessment Program"--Cover.Shipping list no.: 95-0128-P.Includes bibliograph...
Shipping list no.: 97-0237-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 2000-0317-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 97-0117-P."National Water-Quality Assessment Program."Includes bibliographical re...
"National Water-Quality Assessment Study Unit"--Cover.Shipping list no.: 98-0107-P.Includes bibliogr...
Shipping list no.: 97-0273-P.Includes bibliographical references (p. 26-27).Mode of access: Internet
Shipping list no.: 99-0078-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Publisher from letter of transmittal (1 leaf, inserted).Shipping list no.: 96-0295-P."National Water...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 57-59).Mode of a...
Shipping list no.: 2003-0075-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 98-0203-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 2000-0092-P."A contribution of the National Water-Quality Assessment Program."Abs...
Shipping list no.: 2000-0315-P."National Water-Quality Assessment Program"--Cover.Includes bibliogra...
Shipping list no.: 96-0166-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 2003-0033-P.At head of title: National Water-Quality Assessment Program.Includes ...
"National Water-quality Assessment Program"--Cover.Shipping list no.: 95-0128-P.Includes bibliograph...
Shipping list no.: 97-0237-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 2000-0317-P."National Water-Quality Assessment Program."Includes bibliographical ...