| Spiral staircase - 05.31.04 |
| submitter: | Erin |
| location: | Montreal |
| This was incredible- a spiral fire staircase on the ground (great fun to climb on!), with two mats underneath! |
| category: | The Untouchables! |
| comments: | 1 |
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| wim commented on 04.03.10 | | we would call this a spiral trap, a passive trap for quantifying barnacle larval supply to semi-exposed rocky shores |
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