1981 Cases AU-MORE THAN TWO UTILITIES (3 cases) BS-BUS (21 cases) EL-ELECTRIC (164 cases) GA-GAS (487 cases) GE-GAS & ELECTRIC (10 cases) HT-HEATING (5 cases) PL-PIPE LINE (4 cases) RC-RADIO COMMON CARRIERS (35 cases) RR-RAILROAD (38 cases) ST-SEWAGE TREATMENT (8 cases) TP-TELEPHONE (287 cases) TR-TRANSPORTATION (631 cases) WS-WATER & SEWER (5 cases) WW-WATER WORKS (31 cases)