FILINGS
| BKH 0001130464 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-04 | 8-K | FORM 8-K (RENEWAL OF AT-THE-MARKET OFFERING PROGRAM) | View Document |
| 2017-08-04 | 424B5 | PROSPECTUS SUPPLEMENT DATED AUGUST 4, 2017 (ATM EQUITY OFFERING PROGRAM) | View Document |
| 2017-08-04 | S-3ASR | S-3ASR UNIVERSAL SHELF REGISTRATION STATEMENT | View Document |
| 2017-08-04 | S-3ASR | S-3ASR | View Document |
| 2017-08-04 | 10-Q | 10-Q | View Document |
| 2017-08-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-03 | 8-K | 8-K | View Document |
| 2017-08-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-29 | 11-K | 11-K | View Document |
| 2017-06-29 | 11-K | 11-K | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | S-8 | BHC SOURCEGAS 401K PLANS 050417 | View Document |
| 2017-05-05 | 10-Q | 10-Q | View Document |
| 2017-05-04 | 8-K | 8-K | View Document |
| 2017-04-28 | 8-K | 8-K | View Document |
| 2017-04-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-04-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-04-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-04-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-04-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-04-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-16 | DEF 14A | BHC 2017 PROXY | View Document |
| 2017-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-27 | 10-K | 10-K | View Document |
| 2017-02-14 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-10 | SC 13G/A | View Document | |
| 2017-02-09 | SC 13G | BLACK HILLS CORPORATION | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 3 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-02 | 8-K | 8-K | View Document |
| 2017-01-31 | 8-K | OFFICER CHANGE 013017 8-K | View Document |
| 2017-01-12 | SC 13G/A | View Document | |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
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