Checking oyster raft at BCF Oxford Laboratory. Shells or other hard objects are
attached to suspended lines, and oyster spat in turn can attach to the hard
objects on which the spat grow to adult size.
Image ID: fish7994, NOAA's Historic Fisheries Collection Location: Maryland, Oxford Credit: NOAA Central Library Historical Fisheries Collection; P. 446 of "Our Changing Fisheries" 1970 Centenary NMFS centenary volume