0201 Richelieu
0202 Upper Hudson
0203 Lower Hudson-Long Island
020301 Lower Hudson
020302 Long Island
0204 Delaware
020401 Upper Delaware
020402 Lower Delaware
020403 New Jersey Coastal
0205 Susquehanna
020501 Upper Susquehanna
020502 West Branch Susquehanna
020503 Lower Susquehanna
0206 Upper Chesapeake
0207 Potomac
0208 Lower Chesapeake
020801 Lower Chesapeake
020802 James
8 JUNE 1999, last updated on 9 AUG 2000
D.L. Gustafson
dlg@rapid.msu.montana.edu