Two Ginger Cats Playing with String on a Porch, 1950s 1950–1959 Siamese Cat in Suburban Backyard, USA, 1950s 1950–1959 Formal garden border, 1950s 1950–1959 The Broadmoor Hotel from Cheyenne Mountain Slope, Colorado Springs, c. 1960s 1958–1972 Stream-worn boulders and eroded streambed, limestone country 1930–1970 Two Children at Mendenhall Glacier, Juneau, Alaska, c. 1950s 1950–1959 Aerial View of Shallow Reef or Sandbar, Tropical Waters 1940–1970 Aerial View of Volcanic Island with Steam Plumes, Mid-20th Century 1940–1960 Fossil Footprints in Limestone, Paleontological Excavation 1950–1959 Aerial View from Light Aircraft, Mid-20th Century 1950–1959 Mountain Valley in Mist, Early Color Photography 1940–1960 Aerial Survey of River Valley, Mid-20th Century 1950–1960 Infrared Landscape with Scattered Trees, 1960s-1970s 1960–1975 Aerial View of Cloud Bank, Mid-20th Century 1950–1965 Eroded Canyon Wall with Vegetation, Undated Geological Survey 1950–1970 Desert Wildflower, High Desert Plateau Region c. 1949 Toddler on Suburban Sidewalk, American Brick-Ranch Neighborhood, 1950s 1955–1962 Green Grasshopper Nymph in Summer Grass, 1950s Macro Study 1950–1959 Garden flowers, 1950s color photography 1950–1959 Arched Stucco Building with Flags, Tropical Courtyard, 1950s 1950–1959 Mount Rainier Summit Glaciers, Washington Cascades, mid-20th century 1950–1959 Aerial View, Boreal Forest and Mountain Valley, Western Canada, c. 1970s 1950–1959 Deep-sea floor with crustaceans, deep ocean research 1960–1985 Small Western Town in High Desert Valley, Rocky Mountain Region, c. 1960s 1958–1972 Golden Gate Bridge at Sunset from San Francisco Bay Shore, ca. 1960s–70s 1960–1978 Agricultural Valley View from Elevated Rimrock, American West, Mid-20th Century 1955–1970 Mountain Town Under Low Cloud, Western North America, ca. 1960s 1958–1972 Manitou & Pike's Peak Railway Locomotive Kiddy Ride, Colorado 1955–1959 Samoyed in Deep Snow, 1950s Winter Backyard 1950–1959 Open-Pit Mine Workings and Waste Dumps, Western North America, 1940s 1940–1949 Chrysanthemum Display, Midtown Manhattan Street, 1950s 1955–1959 White Research or Survey Vessel Underway in Polar Waters, 1950s 1955–1959 Couple Kissing at 1950s Party, Paper Hat and Spillage 1952–1959 Family Day Trip to a Snow-Covered Mountain Picnic Area, 1950s American West 1950–1959 Severely Fogged Exposure, Unidentifiable Subject, 1930s 1930–1939 Arctic Research Station, Boreal Forest in Winter Snow 1945–1965 Quarried Stone and Mineral Deposits, Early 20th Century 1950–1955 River View from Moving Vehicle, Mid-20th Century 1950–1970 Sea Cave and Surge Channel, Rocky Atlantic or Pacific Coastline, 1950s 1950–1959 Cave Entrance with Limestone Formations and Moss Growth 1950–1959 Mountain Lake at Dusk, Mid-20th Century 1940–1965 Tidal Creek with Power Lines, Early Spring 1950–1975 Mountain stream in winter, Pacific Northwest evergreen forest c. 1940 Weathered Stone Wall with Lime Mortar, 1950s 1950–1959 Limestone cave mouth in arid terrain with erosion patterns 1950–1959 Ginger Longhair Cat in Window Sunpatch, Domestic Interior, 1950s 1950–1959 Geological outcrop with shell fragments and sedimentary layers 1950–1959 Eroded Badlands and Snow-Capped Range, American West, 1930s 1950–1959