1. https://maproulette.org/browse/challenges/23226

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  2. https://maproulette.org/browse/challenges/23226

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  3. https://maproulette.org/browse/challenges/23226

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  4. https://maproulette.org/browse/challenges/23226

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  5. https://maproulette.org/browse/challenges/23226

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  6. https://maproulette.org/browse/challenges/23226

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  7. https://maproulette.org/browse/challenges/23226

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  8. https://maproulette.org/browse/challenges/23226

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  9. https://maproulette.org/browse/challenges/23226

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  10. https://maproulette.org/browse/challenges/23226

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  11. https://maproulette.org/browse/challenges/23226

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  12. https://maproulette.org/browse/challenges/23226

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  13. https://maproulette.org/browse/challenges/23226

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  14. https://maproulette.org/browse/challenges/23226

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  15. https://maproulette.org/browse/challenges/23226

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  16. https://maproulette.org/browse/challenges/23226

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  17. https://maproulette.org/browse/challenges/23226

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  18. https://maproulette.org/browse/challenges/23226

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  19. https://maproulette.org/browse/challenges/23226

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  20. https://maproulette.org/browse/challenges/23226

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