Maps

Slash Run: How a DC stream became a sewer, and then a secret 10 April 2024

An article for GGWash

City of streams, city of pipes 28 March 2024

Mapping D.C.'s lost streams — 2024 edition

Slash Run and Brown’s Run 28 November 2023

A new lost streams map

A LIDAR-based shaded relief map of D.C. 31 October 2023

Bivariate choropleth study, poverty and inequality in Maryland 9 June 2022

The Baltimore rail network 22 April 2020

Baltimore harbor and tributaries 10 July 2018

A map of Baltimore's rivers and creeks

DC and Maryland Railroad Lines 13 June 2016

The Brewer’s Archipelago and Distillery Islands, 2015 21 August 2015

Updated map of DC's distilleries and breweries

More D.C. streams in 1859 Updated 28 February 2016

Uncovering long-lost historic hydrologic features.

Rock Creek Trails 25 May 2015

DC–Baltimore Railroads and Terrain 25 May 2015

NYC Subway Elevated Structures 21 February 2015

The Brewer's Archipelago and Distillery Islands 11 February 2014

Mapping DC's distilleries and breweries

Swampoodle is back on Google Maps 5 October 2013

Chalk one up for historic neighborhood names

DC streams in 1859, plotted on a modern map 7 July 2013

Uncovering long-lost historic hydrologic features.