Blog

Schuylkill Navigation: Celebrating 200 years

September 29, 2024

Learn more about the upcoming 200th birthday of Pennsylvania’s pioneering slackwater-canal system, with events all along the river in Spring 2025.

Map Lovers’ Monday: So many railroads!

September 23, 2024

Where have all the railroads gone?

Map Lovers’ Monday: Water for City Hall

September 16, 2024

Politicians may be a different breed from the rest of us, but even they need to drink.

Map Lovers’ Monday: The David Rumsey Map Collection

September 9, 2024

This remarkable map website offers endless opportunities for hours, or days, or weeks of browsing.

Use Water Wisely!

May 3, 2024

These posters from 1942 promote a timeless message.

Old News: Two unusual underground rescues

April 29, 2024

It wasn’t raining cats and dogs, but somehow a cat and a dog got stuck in the sewer. On National Adopt a Shelter Pet Day, I offer these stories of their respective rescues.

Map Lovers’ Monday: New Jersey 1869

April 8, 2024

Marshland and more from the state across the river.

Map Lovers’ Monday: As the Crow Flies

April 1, 2024

Missing a plane, the old-fashioned way: by human error.

Map Lovers’ Monday: More is not necessarily better.

March 25, 2024

When it comes to mapmaking, more is not necessarily better (but sometimes it is).

Map Lovers’ Monday: On the Waterfront

March 18, 2024

The Philadelphia and South Jersey waterfront on the eve of World War II.

Map Lovers’ Monday: Topography of Philadelphia from 1863

March 11, 2024

TITLE BLOCK Map of a reconnaissance of the approaches to Philadelphia showing the positions and lines of defence on the north front of the city. Made under the direction of A.D. Bache, Supt. U.S. Coast Survey, Engineer in Charge of the Defences ; general field reconnaissance by George Davidson, Assistant U.S. Coast Survey ; details […]

Map Lover’s Monday: Looking for Cleaner Water

March 4, 2024

These maps document four years spent looking for an alternative drinking water sources for Philadelphia in the mid-1880s. After all that work, the supply stayed the same – the dirty Delaware and smelly Schuylkill.