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| 0001564590-16-022877-index.html | 2016-08-05 11:01:14 | |
| 0001564590-16-022877.txt | 2016-08-05 11:01:14 | |
 0001564590-16-022877-xbrl.zip | 93754 | 2016-08-05 11:01:14 |
| FilingSummary.xml | 29502 | 2016-08-05 11:01:14 |
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| geos-10q_20160630.htm | 1313299 | 2016-08-05 11:01:14 |
| geos-20160630.xml | 1185006 | 2016-08-05 11:01:14 |
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