Mountain River through Forest, Western U.S., circa 1940s 1950–1959 Cenote or Subtropical Spring, Aerial View, circa 1960s-1970s 1960–1975 Tourists at a Mountain Gorge with Cascading Waterfall, Early Color Photography 1940–1955 Gorge with Footbridge and Tourists, Mid-20th Century European Canyon 1950–1975 Backyard with Flowering Tree, circa 1950s–1960s 1950–1965 Thatched House with Stream and Ivy, Britain, circa 1940s–1950s 1940–1955 Pine Forest and Stone Tower, Mid-20th Century American Landscape 1940–1960 Forested River Valley with Pasture, Appalachian Region, 1970s 1968–1978 Two Men Below Bok Tower, Lake Wales, Florida, 1950s 1950–1959 Suspension Bridge Through Coastal Pines at Dusk 1950–1965 Tropical River Valley with Dense Jungle Canopy, Southeast Asia, mid-20th century 1945–1970 Plastic Bag in Tree, circa 1970s-1980s 1950–1959 Mountain Waterfall in Limestone Canyon, 1950s 1950–1959 Forest Canopy Study, circa 1950s 1945–1965 Young Woman on Boulder, Rocky Mountain Meadow Overlook, c. 1950s 1950–1959 Granite Spire and Ponderosa Pines, Rocky Mountain West, 1950s 1950–1959 Civic Monument and Domed Building from Riverbank, Mid-20th Century 1945–1965 Spanish Moss Cypress Swamp, Gulf Coast South, late 20th century 1950–1959