"National Water-Quality Assessment Study Unit"--Cover.Includes bibliographical references (p. 48-50).Mode of access: Internet
"National Water-Quality Assessment Program"--Cover.Two maps on 1 folded leaf in pocket.Shipping list...
"USG/WRI 95-4157"--P. [4] of cover.Includes bibliographical references (p. 75-76).Mode of access: In...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...
"National Water-Quality Assessment Program"Includes bibliographical references (p. 86-91).Mode of ac...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 62-66).Mode of a...
Shipping list no.: 98-0254-P."National Water Quality Assessment Program"--Cover.Includes bibliograph...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 44-46).Mo...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 54-57).Mo...
Shipping list no.: 98-0118-P."Contribution from the National Water-Quality Assessment Program."Inclu...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
Shipping list no.: 97-0370-P."Prepared as part of the National Water-Quality Assessment (NAWQA) Prog...
Shipping list.: no. 98-0020-P."National Water-Quality Assessment Program"--Cover.Includes bibliograp...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 90-98).Mode of a...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0221-P.Includes bibliograph...
"National Water-Quality Assessment Program"--Cover.Two maps on 1 folded leaf in pocket.Shipping list...
"USG/WRI 95-4157"--P. [4] of cover.Includes bibliographical references (p. 75-76).Mode of access: In...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...
"National Water-Quality Assessment Program"Includes bibliographical references (p. 86-91).Mode of ac...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 62-66).Mode of a...
Shipping list no.: 98-0254-P."National Water Quality Assessment Program"--Cover.Includes bibliograph...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 44-46).Mo...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 54-57).Mo...
Shipping list no.: 98-0118-P."Contribution from the National Water-Quality Assessment Program."Inclu...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
Shipping list no.: 97-0370-P."Prepared as part of the National Water-Quality Assessment (NAWQA) Prog...
Shipping list.: no. 98-0020-P."National Water-Quality Assessment Program"--Cover.Includes bibliograp...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 90-98).Mode of a...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0221-P.Includes bibliograph...
"National Water-Quality Assessment Program"--Cover.Two maps on 1 folded leaf in pocket.Shipping list...
"USG/WRI 95-4157"--P. [4] of cover.Includes bibliographical references (p. 75-76).Mode of access: In...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...