ridges, knolls, rills, hummocks, glens, appalachian mountains, mossy, valleys, ravines, crevices, barrens, precipices, hogback, copses, hills, eskers, hardpan, hickories, heathery, tamarack, deadfall, yellow poplar, crags, burrows, sourwood, marl, tarns, spatterdock, burls, seacoasts, rimrock, tufa, escarpments, limber pine, tussocks, frass, hickory nut, culm, appalachians, gullies, briars, kalmia latifolia, rockeries, popple, meadows, bottomland, brushwood, shagbark hickory, abysses, chestnut oak, anthills, red osier dogwood, pocks, allegheny mountains, bristlecone pine, cirques, palisades, depressions, gorges, reed grass, boletes, undergrowth, mountain laurel, landforms, sawgrass, hackberries, moorlands, slickrock, crenellations, osage orange, tupelo, byways, lochan, dales, hemlock tree, maidenhair, woods, tallgrass, outcroppings, crevasses, metamorphic rock, indentations, sumacs, tableland, scoria, bramble, doglegs, plateaux, tarpaper, spiles, hilltops, featherlike, churchyards, spinifex, postholes, undulation, serpentine, loamy, splintery, hillsides, machair, garrigue, hollow, alcoves, hillocks, ravine, coves, crevice, inlets, ledges, canyons, creeks, gulches, humps, cavern

corrugated iron, hollow