Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000067716-10-000068-index-headers.html | 2010-08-06 09:16:24 | |
| 0000067716-10-000068-index.html | 2010-08-06 09:16:24 | |
| 0000067716-10-000068.txt | 2010-08-06 09:16:24 | |
 0000067716-10-000068-xbrl.zip | 79345 | 2010-08-06 09:16:24 |
| defnref.xml | 27233 | 2010-08-06 09:16:24 |
| exhibit10a.htm | 42697 | 2010-08-06 09:16:24 |
| exhibit10b.htm | 8733 | 2010-08-06 09:16:24 |
| exhibit10c.htm | 5979 | 2010-08-06 09:16:24 |
| exhibit12.htm | 47810 | 2010-08-06 09:16:24 |
| exhibit31a.htm | 13940 | 2010-08-06 09:16:24 |
| exhibit31b.htm | 13700 | 2010-08-06 09:16:24 |
| exhibit32.htm | 7834 | 2010-08-06 09:16:24 |
| FilingSummary.xml | 12096 | 2010-08-06 09:16:24 |
| Financial_Report.xls | 818849 | 2010-08-06 09:16:24 |
| mdu-20100630.xml | 901545 | 2010-08-06 09:16:24 |
| mdu-20100630.xsd | 24280 | 2010-08-06 09:16:24 |
| mdu-20100630_cal.xml | 49933 | 2010-08-06 09:16:24 |
| mdu-20100630_lab.xml | 201975 | 2010-08-06 09:16:24 |
| mdu-20100630_pre.xml | 116685 | 2010-08-06 09:16:24 |
| mduform10-q.htm | 1881891 | 2010-08-06 09:16:24 |
| R1.xml | 124107 | 2010-08-06 09:16:24 |
| R10.xml | 15383 | 2010-08-06 09:16:24 |
| R11.xml | 10160 | 2010-08-06 09:16:24 |
| R12.xml | 18277 | 2010-08-06 09:16:24 |
| R13.xml | 14238 | 2010-08-06 09:16:24 |
| R14.xml | 62579 | 2010-08-06 09:16:24 |
| R15.xml | 14363 | 2010-08-06 09:16:24 |
| R16.xml | 146371 | 2010-08-06 09:16:24 |
| R17.xml | 86668 | 2010-08-06 09:16:24 |
| R18.xml | 200215 | 2010-08-06 09:16:24 |
| R19.xml | 182020 | 2010-08-06 09:16:24 |
| R2.xml | 170430 | 2010-08-06 09:16:24 |
| R20.xml | 11466 | 2010-08-06 09:16:24 |
| R21.xml | 109167 | 2010-08-06 09:16:24 |
| R22.xml | 16374 | 2010-08-06 09:16:24 |
| R23.xml | 54586 | 2010-08-06 09:16:24 |
| R24.xml | 9321 | 2010-08-06 09:16:24 |
| R25.xml | 42512 | 2010-08-06 09:16:24 |
| R3.xml | 18300 | 2010-08-06 09:16:24 |
| R4.xml | 105010 | 2010-08-06 09:16:24 |
| R5.xml | 11302 | 2010-08-06 09:16:24 |
| R6.xml | 9605 | 2010-08-06 09:16:24 |
| R7.xml | 9323 | 2010-08-06 09:16:24 |
| R8.xml | 10605 | 2010-08-06 09:16:24 |
| R9.xml | 10202 | 2010-08-06 09:16:24 |