DC’s streams in 1859/1861 (larger)
I’m interested in water issues and historical land use in Washington, D.C., and I’ve been making maps that show the 19th century watercourses and shorelines.
More: Historic streams in DC
KCDC is an experiment in community-powered teaching and learning. We run about 200 classes a year, all over DC.
I’m one of the project’s organizers, an occasional teacher, and the lead designer/developer for the Django/Python web application that we use to run registration and class operations.