SCHEDULE II
INFORMATION WITH RESPECT TO
TRANSACTIONS EFFECTED DURING THE PAST SIXTY DAYS OR
SINCE THE MOST RECENT FILING ON SCHEDULE 13D (1)

                                             SHARES PURCHASED        AVERAGE
                                  DATE            SOLD(-)             PRICE(2)

           COMMON STOCK-SOUTHWEST GAS CORP

                    GAMCO INVESTORS, INC.
                                 5/02/01            1,000            21.1000
                                 5/02/01            3,000            20.9733
                                 4/24/01            1,000-           20.8180
                                 4/23/01            1,500-             *DO
                                 4/20/01            1,500            20.3500
                                 4/12/01            6,000            20.8000
                                 4/09/01            2,000-           20.4550
   					   4/05/01           10,500            20.6910
                                 4/04/01            2,000-           20.0000
                                 4/03/01            1,500            20.2933
                                 3/31/01               76              *DI
                                 3/16/01              400            20.8500
                                 3/13/01              200            20.0000
                                 3/09/01              400            21.1000


          (1) UNLESS OTHERWISE INDICATED, ALL TRANSACTIONS WERE EFFECTED
              ON THE NYSE

          (2) PRICE EXCLUDES COMMISSION.

          (*) RESULTS IN CHANGE OF DISPOSITIVE POWER AND BENEFICIAL OWNERSHIP.