0000898080-99-000073 15-12B 1 19990216 BAY STATE GAS CO /NEW/ 0000010488 4924 042548120 MA 0930 15-12B 34 001-07479 99541918 300 FRIBERG PKWY WESTBOROUGH MA 01581-5039 5088367000 300 FRIBERG PARKWAY WESTBOROUGH MA 01581-5039 SPRINGFIELD GAS LIGHT CO 19790108 15-12B 1 000089808099000073-001-seq1-15-12b.txt FORM 15