FOSS4G 2017 - BostonAugust 15, 2017Slides: //www.slideshare.net/slideshow/embed_code/key/gG4bN8VsyWkGjVPresentation: https://medium.com/open-history-map/our-presentation-at-foss4g-2017-in-boston-894384d831a2Video: https://medium.com/open-history-map/our-video-at-foss4g-boston-5084d44fa29