https://maproulette.org/challenge/39513/task/167741646
https://maproulette.org/challenge/39513/task/167741693
https://maproulette.org/challenge/39513/task/167741694
https://maproulette.org/challenge/39513/task/167741486
https://maproulette.org/challenge/39513/task/167741611
https://maproulette.org/challenge/39513/task/167741548
https://maproulette.org/challenge/39513/task/167741624
https://maproulette.org/challenge/39513/task/167741696
https://maproulette.org/challenge/39513/task/167741565
https://maproulette.org/challenge/39513/task/167741529
https://maproulette.org/challenge/39513/task/167741610
https://maproulette.org/challenge/39513/task/167741698
https://maproulette.org/challenge/39513/task/167741697
https://maproulette.org/challenge/39513/task/167741601
https://maproulette.org/challenge/39513/task/167741510
https://maproulette.org/challenge/39513/task/167741493
https://maproulette.org/challenge/39513/task/167741639
https://maproulette.org/challenge/39513/task/167741538
https://maproulette.org/challenge/39513/task/167741522
https://maproulette.org/challenge/39513/task/167741612