U.S. DEPARTMENT OF COMMERCE 
Frederick B. Dent, Secretary 
NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION 
Robert M. White, Administrator 
NATIONAL MARINE FISHERIES SERVICE 
NOAA Technical Report NMFS SSRF-677 
Abundance of 
Benthic Macroinvertebrates in 
Natural and Altered Estuarine Areas 
GIL GILMORE and LEE TRENT 
yOUTOn, 
& % 
= Bs 
3 Z Seattle, WA 
z BD April 1974 
2 = 
vs ~~ 
776 -491° WEE MaDe of Documents, U.S, Government Printing Office 
