Potato Harvest, Pacific Northwest, 1940s 1938–1950 Autumn House with Picket Fence, circa 1940s 1938–1950 Mine entrance with surveying equipment, Appalachian coal region, 1930s 1930–1939 Mansion Grounds with Bench, circa 1940s 1938–1950 Tilework and Marine Display, Interior Decoration Detail, circa 1940s 1935–1945 Boathouse with Salvage, Coastal Inlet, 1940s 1938–1950 Mountain Pass Road Construction, Pacific Northwest, 1930s-1940s 1930–1945 Limestone Quarry with Turquoise Water, circa 1940s 1938–1952 Ponderosa Pine Forest with Mountain Vista, Pacific Northwest, ca. 1940s 1938–1948 Quarry Face with Lichen, circa 1940s 1935–1955 Winter Shelter in Deciduous Woods, Midwest, circa 1940s 1938–1948 Swimmers at the Beach, circa 1940s 1938–1950 Alkaline Creek in Sagebrush Country, American West, circa 1940s 1938–1950 Alexander Hamilton Monument, New York City, circa 1940s 1935–1950 Mountain Flora Study, Alpine Vegetation, circa 1940s 1935–1950 Rocky landscape with conifer forest, ca. 1940s 1938–1950 Industrial Canal with Bridge, circa 1940s 1938–1948 Swampland with Cypress Roots, American South, circa 1940s 1935–1950 Stream-worn boulders and eroded streambed, limestone country 1930–1970 Severely Fogged Exposure, Unidentifiable Subject, 1930s 1930–1939