- Casey Ruken on 1950s-era preparations for nuclear war in the capital. I’ve been collecting images of fallout shelter signs here in the DMV and elsewhere.
- Guest contributor J. M. Christoph to Greater Greater Washington explains why digging new tunnels for Metro is not as simple as coloring in new lines on the map. Because geology.
- I am at a loss to identify hawthorns (genus Crataegus). Turns out there’s a reason for that.
- For future reference: Ian Paulson’s annotated bibliography of pre-Peterson field guides to birds, leading with Florence Merriam Bailey’s Birds through an Opera Glass (1899).