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| Highscores (113 registered players) | ||||
|---|---|---|---|---|
| Member | Score | Time | Date | |
| 1 | sven-the-man2 | 100% | 0:12.7 min. | 9 Feb, '13 |
| 2 | hebknie | 100% | 0:15.2 min. | 5 Oct, '13 |
| 3 | Asp | 100% | 0:15.3 min. | 5 Jan, '19 |
| 4 | asae | 100% | 0:15.4 min. | 19 Feb, '09 |
| 5 | Veejay | 100% | 0:16.0 min. | 13 May, '08 |
| 6 | zoel | 100% | 0:16.3 min. | 11 Jun, '12 |
| 7 | BoboLo | 100% | 0:16.3 min. | 18 Apr, '08 |
| 8 | joc3942 | 100% | 0:16.5 min. | 21 Jun, '12 |
| 9 | Andrej Aleksandrovic | 100% | 0:16.5 min. | 30 Apr, '12 |
| 10 | Kathy | 100% | 0:16.7 min. | 18 Apr, '08 |
| 11 | timpat | 100% | 0:17.7 min. | 18 Apr, '08 |
| 12 | bigphil | 100% | 0:18.2 min. | 10 Feb, '17 |
| 13 | PhoenixRanger | 100% | 0:18.6 min. | 17 Apr, '08 |
| 14 | tickman | 100% | 0:18.9 min. | 16 Apr, '08 |
| 15 | Medellin | 100% | 0:19.1 min. | 9 Feb, '13 |
This is an online quiz called Physiography of the US
There is a printable worksheet available for download here so you can take the quiz with pen and paper.
Find the main physiographic regions of the lower 48.
Image By Donald E. Trimble at the US Geological Survey.
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