Shipping list no.: 2000-0274-P."National Water-Quality Assessment Program."Includes bibliographical references (p. 25-26).Mode of access: Internet
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"National Water-Quality Assessment Program."Includes bibliographical references (p. 53-54)Mode of ac...
Shipping list no.: 96-0345-P."Contribution from the National Water Quality Assessment Program."Inclu...
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"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...
Shipping list no.: 2001-0010-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 97-0017-P."National Water-Quality Assessment study unit"--Cover."Contribution fro...
Shipping list no.: 99-0010-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
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Shipping list no.: 98-0152-P.Includes bibliographical references (p. 29-32).Mode of access: Internet
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"National Water-Quality Assessment Program."Includes bibliographical references (p. 53-54)Mode of ac...
Shipping list no.: 96-0345-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.: 98-0070-P.Includes bibliographical references (p. 58-61).Mode of access: Internet
Shipping list no.: 98-0118-P."Contribution from the National Water-Quality Assessment Program."Inclu...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...
Shipping list no.: 2001-0010-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 97-0017-P."National Water-Quality Assessment study unit"--Cover."Contribution fro...
Shipping list no.: 99-0010-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
Shipping list no.: 99-0078-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 98-0093-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 2001-0112-P."National Water-Quality Assessment Program."Includes bibliographical ...
Shipping list no.: 98-0152-P.Includes bibliographical references (p. 29-32).Mode of access: Internet
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"National Water-Quality Assessment Program."Includes bibliographical references (p. 53-54)Mode of ac...