Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950123-11-075014-index-headers.html | 2011-08-09 15:03:21 | |
| 0000950123-11-075014-index.html | 2011-08-09 15:03:21 | |
| 0000950123-11-075014.txt | 2011-08-09 15:03:21 | |
 0000950123-11-075014-xbrl.zip | 32876 | 2011-08-09 15:03:21 |
| d82384e10vq.htm | 221490 | 2011-08-09 15:03:21 |
| d82384exv10w2.htm | 61480 | 2011-08-09 15:03:21 |
| d82384exv10w3.htm | 51413 | 2011-08-09 15:03:21 |
| d82384exv31w1.htm | 8176 | 2011-08-09 15:03:21 |
| d82384exv31w2.htm | 8379 | 2011-08-09 15:03:21 |
| d82384exv32w1.htm | 3206 | 2011-08-09 15:03:21 |
| d82384exv32w2.htm | 3322 | 2011-08-09 15:03:21 |
| dwsn-20110630.xml | 120684 | 2011-08-09 15:03:21 |
| dwsn-20110630.xsd | 7835 | 2011-08-09 15:03:21 |
| dwsn-20110630_cal.xml | 29065 | 2011-08-09 15:03:21 |
| dwsn-20110630_lab.xml | 107450 | 2011-08-09 15:03:21 |
| dwsn-20110630_pre.xml | 66665 | 2011-08-09 15:03:21 |
| FilingSummary.xml | 7353 | 2011-08-09 15:03:21 |
| Financial_Report.xls | 117305 | 2011-08-09 15:03:21 |
| R1.htm | 34888 | 2011-08-09 15:03:21 |
| R10.htm | 12812 | 2011-08-09 15:03:21 |
| R11.htm | 16861 | 2011-08-09 15:03:21 |
| R12.htm | 5799 | 2011-08-09 15:03:21 |
| R13.htm | 23785 | 2011-08-09 15:03:21 |
| R14.htm | 9424 | 2011-08-09 15:03:21 |
| R2.htm | 63494 | 2011-08-09 15:03:21 |
| R3.htm | 112186 | 2011-08-09 15:03:21 |
| R4.htm | 30710 | 2011-08-09 15:03:21 |
| R5.htm | 127104 | 2011-08-09 15:03:21 |
| R6.htm | 6913 | 2011-08-09 15:03:21 |
| R7.htm | 18349 | 2011-08-09 15:03:21 |
| R8.htm | 12670 | 2011-08-09 15:03:21 |
| R9.htm | 21659 | 2011-08-09 15:03:21 |
| report.css | 2721 | 2011-08-09 15:03:21 |
| Show.js | 6423 | 2011-08-09 15:03:21 |