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BLACK HILLS CORP /SD/
4/A
16 filings
All 4/A Filings
Complete history of 4/A filings with the SEC
| Date Filed | View on EDGAR |
|---|---|
|
03
Sep
Sep 03, 2020
|
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|
15
Mar
Mar 15, 2018
|
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|
15
Mar
Mar 15, 2018
|
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|
15
Mar
Mar 15, 2018
|
open_in_new View Filing |
|
15
Mar
Mar 15, 2018
|
open_in_new View Filing |
|
15
Mar
Mar 15, 2018
|
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|
14
Mar
Mar 14, 2018
|
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|
21
Aug
Aug 21, 2013
|
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|
05
Jun
Jun 05, 2013
|
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|
31
Jan
Jan 31, 2013
|
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|
04
Dec
Dec 04, 2012
|
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|
04
Dec
Dec 04, 2012
|
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|
05
Mar
Mar 05, 2012
|
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|
05
Jan
Jan 05, 2012
|
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|
08
Jan
Jan 08, 2010
|
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|
29
Apr
Apr 29, 2003
|
open_in_new View Filing |