On April 17, when 30 tons of fertilizer detonated in West, Texas, a shock wave travelling faster than the speed of sound crushed homes. The same chemical that blew up West—ammonium nitrate—is manufactured in Donora, Pa., 20 miles south of Pittsburgh.
When many people hear the name “Frick” it sparks turn-of-the-century memories of black, billowing smoke stacks of an industry long past—the product of Henry Clay Frick. Despite thousands of visitors to Pittsburgh’s Frick Park each year, few consider another Frick, Henry Clay's daughter Helen, who established the park.
Dick Wilford, a longtime park foreman in Pittsburgh, once encountered a black bear cub and mother in the wild. The experience reminded him that nature, if left untamed, is inherently a little bit dangerous. It's an idea he keeps close while managing new wildlife in Frick Park—the biggest and most natural park in the city.