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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000080255-12-000497
Filing Date
2012-02-13
Accepted
2012-02-13 14:54:23
Documents
1

Document Format Files

Seq Description Document Type Size
1 SWX AS OF 12/31/11 swx13gadec11.htm SC 13G/A 23452
  Complete submission text file 0000080255-12-000497.txt   25065
Mailing Address P.O. BOX 89000 BALTIMORE MD 21289
Business Address 100 EAST PRATT ST BALTIMORE MD 21202 (410)345-6603
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by) CIK: 0000080255 (see all company filings)

IRS No.: 520556948 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6200 Security & Commodity Brokers, Dealers, Exchanges & Services

Mailing Address 5241 SPRING MOUNTAIN RD PO BOX 98510 LAS VEGAS NV 89193-8510
Business Address 5241 SPRING MOUNTAIN RD PO BOX 98510 LAS VEGAS NV 89193-8510 7028767237
SOUTHWEST GAS CORP (Subject) CIK: 0000092416 (see all company filings)

IRS No.: 880085720 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-32272 | Film No.: 12598319
SIC: 4923 Natural Gas Transmisison & Distribution