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0001013594-20-000504-index-headers.html | 2020-05-18 15:41:09 | |
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0001013594-20-000504.txt | 2020-05-18 15:41:09 | |
geospace13g-051820.htm | 104732 | 2020-05-18 15:41:09 |
geospace13g-ex99.htm | 15856 | 2020-05-18 15:41:09 |