0000072903-98-000023 424B3 1 19980603 CSX NYSE PCX NORTHERN STATES POWER CO /MN/ 0000072903 4931 410448030 MN 1231 424B3 33 333-00415 98642221 414 NICOLLET MALL 4TH FL MINNEAPOLIS MN 55401 6123305500 414 NICOLLET MALL 4TH FLOOR MINNEAPOLIS MN 55401 424B3 1 000007290398000023-001-seq1-424b3.txt