Charles H. Ilgenfritz Beet curly top virus A (Kota New York) U.S. Route 9 Isotop torium 1 (New York City Subway) Jalur Broadway – Seventh Avenue IRT
Charles H. Ilgenfritz Beet curly top virus A (Kota New York) U.S. Route 9 Isotop torium 1 (New York City Subway) Jalur Broadway – Seventh Avenue IRT