Sara Solberg

In an eastern New Mexico desert, amid a forest of mesquite and bluestem grass, overlooking nothing but miles upon miles of iron-pressed, sunbaked earth, sits the Waste Isolation Pilot Plant (WIPP for short). On the surface, it looks like any other government base: a simple grid of unremarkable squat buildings, the tan color of which bleeds into the surrounding arid landscape. But step into one of the elevators that spend their days bobbing up and down WIPP’s vertical mine shafts, ferrying hard-hatted workers between ground level and the ancient salt bed 2,150 feet below, and it’s a different story. One…