Alpine Wildflowers, 1950s 1950–1959 Mountain Stream with Overhanging Deciduous Growth, 1950s 1950–1959 Columbine and Mountain Flora, 1950s Alpine Study 1950–1959 Basalt Quarry or Strip Mine, 1950s American West 1950–1959 Field Scabious in Bloom, 1950s Garden Study 1950–1959 Rock Formation in Mediterranean Landscape, 1950s 1950–1959 Rapids and Outbuilding, 1950s 1950–1959 Mountain Valley in Snow, 1950s Alpine Region 1950–1959 Frozen Shore with Wrecked Vessels, Great Lakes, circa 1950s 1950–1959 Formal Garden with Massed Plantings, Mid-20th Century 1945–1965 Mountain Valley with Glacier-Fed River, Northern Rockies, 1940s 1940–1950 Alpine Garden with Pool and Perennials, mid-20th century 1945–1965 Quarry Face with Lichen, circa 1940s 1935–1955 Snow-laden Coniferous Forest, Alpine Region, circa 1960s 1955–1975 River in Autumn, Northern New England, circa 1950s 1948–1958 Coastal Headlands, Aerial View, circa 1960s 1960–1975 Mountain Stream through Old-Growth Forest, circa 1950s 1945–1960 Ruins on the Rhine: Castle overlooking village roofline, Germany, circa 1960s 1955–1975 Mountain River Valley, Pacific Northwest, circa 1950s 1945–1960 Winter Shelter in Deciduous Woods, Midwest, circa 1940s 1938–1948 Autumn Forest Above Large Lake, Mid-20th Century 1950–1970 River Valley Landscape, Central Europe, circa 1950s 1948–1965 Mountain Valley at Dusk, circa 1960s 1960–1975 Ice-Laden Bluff, Lake Michigan Winter 1948–1965 Modernist Institutional Garden, circa 1950s 1948–1958 Aerial View of Rural Landscape with River, 1940s 1940–1950 Lake with Church Spire, Central Europe, circa 1960s 1955–1975 Logged Forest with Stream, circa 1940s–1950s 1940–1955 Tree-Lined River, Midwestern Waterway, circa 1950s 1945–1965 European Industrial City from Height, 1950s–1960s 1950–1965 Coastal Town and Tidal Flats, Maritime Canada, 1960s 1960–1968 Midwest Farm Field, Spring Planting, circa 1950s 1945–1960 Rural Waterway with Footbridge, 1950s–1960s 1950–1965 Alkaline Creek in Sagebrush Country, American West, circa 1940s 1938–1950 Birch Forest, Summer, mid-20th century 1940–1960 Balanced Rock Formation, High Desert Landscape, 1950s 1945–1960 Alpine Valley Landscape, Aerial View, 1950s 1950–1960 Alpine Valley with Lake and Scattered Settlement, Central Europe, 1950s–1960s 1950–1965 Badlands Erosion Study, Western United States, circa 1940s 1940–1949 Flooded Agricultural Land with Distant Figures, Mid-20th Century 1950–1960 Stratigraphic Study with Scale, Arid Region, mid-20th Century 1950–1959 Mountain Valley Landscape, Pacific Northwest, 1940s 1940–1950 Rural Roadside with Erosion Gully, American South or Midwest, 1930s-1940s 1950–1959 Oak woodland with scattered boulders, Mediterranean hillside, c. 1940s 1950–1959 Sierra Nevada Valley Vista, c. 1950s Color Landscape 1950–1959 Coastal Surf Study, Color Film, circa 1960s 1950–1959 Arid Valley Landscape, Mid-20th Century Survey 1945–1955 Tidal Flat Community, Maritime Canada, circa 1970s 1968–1982