Slideshow: The Beautiful and Impactful Aerial Imagery of Grassroots Mapping
Want to learn more about grassroots mapping? Read this post about the burgeoning movement and the Public Laboratory for Open Technology and Science.
All images have been dedicated to the Public Domain, or used with permission by the photographers/cartographers.
Special thanks to Jeff Warren, Stewart Long, Liz Barry, Ray Cha, and all of the grassroots mappers who are building a cartographic movement that makes a difference, and for providing their images and expertise here.