Surface- and ground-water quality data were collected in the
Apalachicola-Chattahoochee-Flint (ACF) River basin from August 1992 to
September 1995 as part of the USGS National Water Quality Assessment ...
Populations of infaunal macroinvertebrates in the Rhode River
subestuary of the Chesapeake Bay were monitored starting in October
1979. Samples were collected bimonthly from late March to early