LOCATIONS SUBMITTING DATA FOR 2004
 

 State                         Location                                 Code
 
 Illinois                      Carbondale                               IL2
 Illinois                      Carbondale (Natural shade)               IL3
 Indiana                       West Lafayette                           IN1
 Iowa                          Ames                                     IA1
 Kansas                        Wichita                                  KS2

 Kentucky                      Lexington                                KY1
 Maine                         Orono                                    ME1 
 Maryland                      College Park                             MD1
 Massachusetts                 Amherst                                  MA1
 Michigan                      East Lansing                             MI1
 
 Michigan                      East Lansing (Disease Study)             MI2
 Minnesota                     St. Paul                                 MN1
 Missouri                      Columbia                                 MO1
 Nebraska                      Mead                                     NE1
 New Jersey                    North Brunswick                          NJ1

 New Jersey                    Adelphia                                 NJ2
 New York                      Ithaca                                   NY1
 North Carolina                Raleigh                                  NC1
 Ohio                          Columbus                                 OH1
 Oklahoma                      Stillwater                               OK1

 Pennsylvania                  University Park                          PA1
 Rhode Island                  Kingston                                 RI1
 South Dakota                  Brookings                                SD1
 Utah                          Logan                                    UT1
 Virginia                      Blacksburg                               VA1 

 Washington                    Pullman                                  WA1
 Washington                    Puyallup                                 WA3
 Wisconsin                     Madison                                  WI1