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"National Water-Quality Assessment Program."Shipping list no.: 99-0050-P.Includes bibliographical re...
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Seventeen maps on 4 folded leaves in pocket."National Water-Quality Assessment Program"--Cover.Inclu...
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One map on 1 folded leaf in pocket."National Water-Quality Assessment Program"--Cover.Includes bibli...
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"National Water-Quality Assessment Program."Shipping list no.: 99-0050-P.Includes bibliographical re...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0124-P.Includes bibliograph...
Shipping list no.: 98-0070-P.Includes bibliographical references (p. 58-61).Mode of access: Internet
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Seventeen maps on 4 folded leaves in pocket."National Water-Quality Assessment Program"--Cover.Inclu...
Shipping list no.: 2000-0274-P."National Water-Quality Assessment Program."Includes bibliographical ...
One map on 1 folded leaf in pocket."National Water-Quality Assessment Program"--Cover.Includes bibli...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
"National Water-quality Assessment Program"--Cover.Shipping list no.: 95-0128-P.Includes bibliograph...
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Chiefly ill.Shipping list no.: 98-0374-P."National Water-Quality Assessment Program"--Cover.Includes...
Shipping list no.: 92-247-P.Includes bibliographical references (p. 92-98).Mode of access: Internet
Shipping list no.: 99-0078-P."National Water-Quality Assessment Program"--Cover.Includes bibliograph...
Shipping list no.: 2001-0005-P.Includes bibliographical references (p. 35-37).Mode of access: Intern...
Shipping list no.: 2003-0190-P."Contribution from the National Water-Quality Assessment Program."Inc...
"National Water-Quality Assessment Program."Shipping list no.: 99-0050-P.Includes bibliographical re...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0124-P.Includes bibliograph...
Shipping list no.: 98-0070-P.Includes bibliographical references (p. 58-61).Mode of access: Internet