89th United States Congress in session in 1965
Acer negundo
Actaea rubra green
Actaea rubra (red)
Aerial view of Bog D
Agropyron spicatum
Alfred Gilpin of the Omaha Tribal Counsel and Indian Affairs Commissioner Glenn Emmons in 1956
Alice Reifel and her high school classmates in Washington, D.C.
Alice Reifel and Senator Jack Miller of Iowa in 1963
Alice Reifel at an event in Washington, D.C. in 1962
Alice Reifel at an event in Washington, D.C. in 1965
Alice Reifel at an event in Washington, D.C. in 1971
Alice Reifel at the 1961 Gypsy Days parade in Aberdeen, South Dakota
Alice Reifel campaigns for her husband, Ben Reifel, in 1960
Alice Reifel campaigns for her husband, Ben Reifel, in 1960
Alice Reifel escorted by a cadet at a bruch with the first lady in 1968
Alice Reifel getting a corsage in 1968
Alice Reifel greets another woman
Alice Reifel in California in 1962
Alice Reifel in San Juan, Puerto Rico in 1964
Alice Reifel near Pactola Reservoir in western South Dakota
Alice Reifel on the campaign trail for Ben Reifel
Alice Reifel with a current a former South Dakota first ladies in 1962
Alice Reifel with Dr. Jack Early and family in Mitchell, South Dakota in 1968
Alice Reifel with other women in 1962
Alice Reifel with students from St. Mary's school in Washington, D.C.
Alice Reifel with three unknown people
Alisma subcordatum
Allice Reifel and Myrtle Case at an event
Allium tricoccum
Alpine Clover Colorado Rockies
Alpine Plant Colorado Rockies
Alpine Plant Colorado Rocky Mountains
Alpine Plant (Geum Rossi) Colorado Rocky Mountains
Alpine Tundra and Lake near Timberline Colorado Rockies
Alpine Tundra Colorado Rocky Mountains
Alpine tundra in Colorado
Alpine Tundra near Niwot Ridge Colorado Rocky Mountains
Alpine Tundra Plant (Erysimum nivale) Colorado
Alpine Tundra Plant (Lloydia cerotina) Colorado Rockies
Alpine Tundra Plant Rocky Mountain Colorado
Alpine vegetation
Alpine Willow Rocky Mountains of Colorado
Ambassador Edward Peale of Liberia in 1974
Ambrosia trifida
Amel alnifolia
American Indian play in Lemmon, South Dakota
American Indian play in Lemmon, South Dakota
American Indian play in Lemmon, South Dakota
American Indian play in Lemmon, South Dakota
American Indian play in Lemmon, South Dakota
American Indian woman
American Public Works Association conference in Chicago in 1953
Amorpha canescens
Amos Whitemans Bear allotment, 1930
Ancient Shoreline Marked by Exposed Rocks
Andrews Glacier
Andrews Glacier and Lake Colorado Rocky Mountains
Andrews Glacier and Valley Rocky Mountains Colorado
Andrews Glacier Colorado Rocky Mountains
Andropogon gerardi
Andropogon gerardi
Anemone cylindrica
Anemone patens
Anemone patens
Anemone patens
Anemone patens
Apocynum sibericum
Apple specimen, undated
Apple specimen, undated
Apple specimen, undated
Aquilegia canadensis
Aquilegia canadensis
Aquilegia canadensis
Aquilegia canadensis
Arctic and Alpine Valuable Plant for Science
Argemone
Arisaema atrorubens
Arisaema atrorubens
Arisaema atrorubens
Arisaema atrorubens
Arisaema atrorubens
Arisaema atrorubens
Asclepias syriaca
Asclepias verticillata
Ash canopy in the Painted Woods
Aspen trees in Colorado
Assistants to N.E. Hansen gather specimens in their search for hardy peach trees in northern China in 1924
Assistants to N.E. Hansen gather specimens of pears in Saolin in northern China in 1924
Assistants to N.E. Hansen gather specimens of pears in Saolin in northern China in 1924
Astrag caryocarpus
Baby portrait of Carol Mae McFadden
Badlands National Park
Badlands National Park
Badlands National Park
Badlands National Park
Badlands National Park
Badlands National Park
Bailey Apartments
Barbara Peet and Robert Orben in 1974