Avion amphibie sur terrain d'aviation, années 1950 1948–1958 Travaux de relevé géologique, ca. 1940 1940–1955 Levé géologique ou expédition pédagogique, affleurement des Badlands, milieu du XXe siècle 1945–1965 Pic Alpin avec Éboulis Glaciaires et Forêt Subalpine, Pacifique Nord-Ouest, milieu du XXe siècle 1940–1955 Mount Shasta du nord, années 1940 1940–1950 Forêt Brûlée dans la Neige, Région Boréale Septentrionale, Années 1940 1940–1950 Enfant dans un arrière-cour, plan de film de maison en couleur, vers 1940 1940–1950 Forêt boréale et lacs vus d'un aéronef, nord du Canada, vers les années 1950 1948–1965 Formation de Hoodoo avec Ruisseau, Haut Désert du Sud-Ouest, environ 1940–1950 1940–1955 Sierra Nevada Forest, California, circa années 1950 1948–1958 Mountain River Canyon, Western Conifer Forest, circa 1950s 1948–1958 Cour résidentielle avec bicyclette vintage, vers les années 1950 1948–1958 Lac du parc avec fontaine et visiteurs, milieu du XXe siècle 1945–1965 Mountain Pass with Power Lines, circa 1950s 1948–1955 Deux hommes en tenue formelle, portrait de studio du milieu du siècle 1945–1965 Cloître de couvent avec deux religieuses, Colombie ou Équateur, milieu du XXe siècle 1940–1970 Industrial Waterfront, Northern Europe, circa 1950s 1945–1960 Motorboat Bow Spray, Great Lakes, 1940s 1940–1950 Mountain Valley with Glacier-Fed River, Northern Rockies, 1940s 1940–1950 Alpine Garden with Pool and Perennials, mid-20th century 1945–1965 Swimmers at River Beach, ca. 1950s 1945–1965 Midnight Mass Altar Setup, Candlelit Church Interior, circa 1950s 1945–1960 River in Autumn, Northern New England, circa 1950s 1948–1958 Mountain Valley Town View from Garden Overlook, 1940s 1940–1950 Mountain Stream through Old-Growth Forest, circa 1950s 1945–1960 Twilight on a Frozen Lake, Northern Forest, circa 1950s 1945–1960 Mountain River Valley, Pacific Northwest, circa 1950s 1945–1960 Moose in River, Northern Wilderness, circa 1940s 1940–1955 River Valley Landscape, Central Europe, circa 1950s 1948–1965 Hilltop Town in Snow, Central Europe, circa 1950s 1945–1960 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 Desert House with Parked Cars, American Southwest, circa 1950s 1948–1960 Logged Forest with Stream, circa 1940s–1950s 1940–1955 Tree-Lined River, Midwestern Waterway, circa 1950s 1945–1965 Midwest Farm Field, Spring Planting, circa 1950s 1945–1960 Public Park with Tramway, circa 1950s 1945–1960 Birch Forest, Summer, mid-20th century 1940–1960 Forest Camp or Lodge with Tall Pines, Mid-20th Century 1940–1955 Balanced Rock Formation, High Desert Landscape, 1950s 1945–1960 Badlands Erosion Study, Western United States, circa 1940s 1940–1949 Rural Rodeo Ground with Irrigation Pond, Western United States, 1940s 1940–1950 Mountain Valley Landscape, Pacific Northwest, 1940s 1940–1950 Hiker at Rocky Stream, Boreal Forest, circa 1950s 1942–1959 Arid Valley Landscape, Mid-20th Century Survey 1945–1955 Alpine Valley Resort or Mountain Lodge, Early Color Film, circa 1950s 1948–1958 Aerial View of Bay and Waterfront, Mid-20th Century 1948–1965