Organochlorine compounds and trace elements in fish tissue and streambed sediment in the Mobile River Basin, Alabama, Mississippi, and Georgia, 1998 /

by Zappia, Humbert, Zappia, Humbert
Published 2002

Water-quality assessment of the Potomac River Basin : analysis of available pesticide data, 1972-90 /

by Zappia, Humbert
Published 1997

A demonstration of the instream flow incremental methodology, Shenandoah River, Virginia /

by Zappia, Humbert
Published 1998

Water-quality assessment of the Potomac River Basin : analysis of available pesticide data, 1972-90 /

by Zappia, Humbert
Published 1997

A demonstration of the instream flow incremental methodology, Shenandoah River, Virginia /

by Zappia, Humbert
Published 1998

Water-quality assessment of the Potomac River Basin : analysis of available pesticide data, 1972-90 /

by Zappia, Humbert, Fisher, Gary T.
Published 1997

A demonstration of the instream flow incremental methodology, Shenandoah River, Virginia /

by Zappia, Humbert, Zappia, Humbert, Hayes, Donald C, Hayes, Donald C.
Published 1998

Water quality in the Mobile River Basin, Alabama, Georgia, Mississippi, and Tennessee, 1999-2001 /

by Atkins, J. B., Harned, Douglas, Harvill, John S., Johnston, Brett F., McPherson, Ann K., Moreland, Richard S., Robinson, James L., Zappia, Humbert
Published 2004

Occurrence of invertebrates at 38 stream sites in the Mississippi embayment study unit, 1996-99

by Caskey, B. J (Brian J.), Caskey, B. J (Brian J.)
Published 2002

Occurrence of invertebrates at 38 stream sites in the Mississippi embayment study unit, 1996-99 /

by Caskey, B. J (Brian J.)
Published 2002

Occurrence of invertebrates at 38 stream sites in the Mississippi Embayment Study Unit, 1996-99 /

by Caskey, B. J (Brian J.)
Published 2002