11-KThe Record
MDU RESOURCES GROUP INC files 11-K
Filed Jun 14, 2012 · 14y ago · Accession 0000067716-12-000052
Plain English
11-K filed with the SEC.
Read the source below for the full document.
Filing details
- Company
- MDU RESOURCES GROUP INC
- Ticker
- MDU
- CIK
- 67716
- Form type
- 11-K
- Filing date
- Jun 14, 2012
- Report date
- Dec 31, 2011
- Document
- mduform11-k.htm
- Size
- 300 KB