BLACK HILLS CORP /SD/ reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Rapid City, SD
SEC filing record 1 source field available
Fiscal year end
31 December
BLACK HILLS CORP /SD/ has filed 3,089 SEC EDGAR filings since 22 Dec 2000

SEC filing history

Showing 1-20 of 20 matching filings.

Per page
25
Current page
1
10-K/A File 001-31303

10-K/A

Filing date
30 Aug 2013
Reporting date
31 Dec 2012
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10-K/A File 001-31303

10-K/A filing

Filing date
01 Mar 2012
Reporting date
31 Dec 2011
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10-K File 001-31303

10-K filing

Filing date
29 Feb 2012
Reporting date
31 Dec 2011
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10-K File 001-31303

10-K filing

Filing date
25 Feb 2011
Reporting date
31 Dec 2010
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10-K File 001-31303

BHC FORM 10K DECEMBER 31, 2009

Filing date
26 Feb 2010
Reporting date
31 Dec 2009
SEC evidence
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