Đá phiến sét Appalachian Trung tâm cằn cỗi (Kiểu phía Bắc) – CEGL006288

A typical rocky shale barren overlooking the valley of the North Fork Shenandoah River near Woodstock in Shenandoah County.  Shale barren evening-primrose (Oenothera argillicola) is blooming in left foreground.  Seven Bends State Park. © DCR-DNH, Gary P. Fleming