Maps + visualization

Lost streams of Washington, D.C.

From Bay to Mountains

Historical rail lines around Baltimore, D.C., and the Potomac

Meanders of the Little Patuxent River

D.C.’s private waterfront land

An article series for GGWash

City of streams, city of pipes

A map of D.C.’s lost streams — 2024 edition

LIDAR point cloud studies

A LIDAR-based shaded relief map of D.C.

D.C. water supply system diagram

Equitable transit-oriented development maps