<PAGE>
Pricing Supplement Dated September 18, 1997 Rule 424(b)(3)
(To Prospectus dated November 4, 1996 and File No. 333-14605
Prospectus Supplement dated December 30, 1996)
SOUTHWEST GAS CORPORATION
MEDIUM-TERM NOTES, SERIES A
FIXED RATE
================================================================================
Principal Amount: $7,500,000 Interest Rate: 6.76%
Agents' Discounts or Commissions: .625% Stated Maturity Date: 09/24/2027
Net Proceeds to Issuer: 7,453,125 Original Issue Date: 09/23/1997
================================================================================
Interest Payment Dates: Payable from September 23, 1997 on the 1st of each
April and October commencing 04/01/1998 per the
Prospectus Supplement dated December 30, 1996.
Day Count Convention:
[X] 30/360 for the period from 06/04/1997 to 06/04/2027
[ ] Other
Redemption:
[X] The Notes cannot be redeemed prior to the Stated Maturity Date.
[ ] The Notes may be redeemed prior to the Stated Maturity Date.
Initial Redemption Date:
Initial Redemption Percentage:
Annual Redemption Percentage Reduction: ___% until Redemption Percentage
is 100% of the principal amount.
Optional Repayment:
[ ] The Notes cannot be repaid prior to the Stated Maturity Date.
[X] The Notes can be repaid prior to the Stated Maturity Date at the option
of the holder of the Notes.
Optional Repayment Dates: The Medium-Term Notes may be put by the Holder
back to the Issuer on September 24, 2007. The
holder of the Medium-Term notes must deliver
to the Trustee, not earlier than July 24, 2007,
and not later than 5:00 PM, New York City time,
on August 24, 2007, the offered Medium-Term
Notes to be redeemed. The Holder's put option
expires thereafter.
Repayment Price: 100%
Original Issue Discount: [ ] Yes [X] No
Total Amount of OID:
Yield to Maturity:
Initial Accrual Period:
Form: [X] Book-Entry [ ] Certificated
Agents: [X] PaineWebber Incorporated $7,500,000
Agent acting in the capacity as indicated below:
[X] Agent [ ] Principal
If as principal:
[ ] The Notes are being offered at varying prices related to prevailing
market prices at the time of resale.
[ ] The Notes are being offered at a fixed initial public offering
price of __% of principal amount.
If as Agent:
The Notes are being offered at a fixed initial public offering price of
100% of Principal Amount.
Other Provisions: N/A
