Survey of federally-funded marine mammal research and studies : FY70--FY80 /

by Waring, George H.
Published 1981

Survey of federally-funded marine mammal research and studies, fy 70 - fy 82 /

by Waring, George H.
Published 1983

Identification of the water quality factors which prevent fingernail clams from recolonizing the Illinois River, phase III : technical completion report /

by Sparks, Richard E.
Published 1983