Black Hills (BKH) - 2018 Q4 - Annual Report
BKHBlack Hills (BKH)2019-02-20 04:46

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 | --- | --- | --- | --- | |-------|------------------------------|------------------------------------------------------------------------------------------|---------------------------| | | | | | | o | | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | | ...