Cystopteris fragilis
Dailey, William
Dakota Again
Dakota Territory Citizen Certificates-Fascell-Multer
Dakota Territory Citizen Certificates-Norrell-Zelenko
Dale K. Lingenfelter Interview
David Garnier allotment 1930
David Gillespie allotment, 1930
Davies, John
Davis, Adele
Davis, Carrie R. (Mrs. Willis H.)
Davis, William M.
Davis, Willis H.
Dead myrtle warbler
Decadent elm tree at Garrison Reach of the Missouri River, North Dakota
Decorah Shale Stratigraphy
Delegation of the Mexico-United states Interparliamentary Group
Delegation of the Mexico-United States Interparliamentary Group, 1962-1963
Delores Racine-Blackfeet with Ben Reifel
Demonstration for modernizing America in 1965
Desmodium canadense
Devils Lake before Flooding
Dicentra cucullaria
Dicentra cucullaria
Dicentra cucullaria
Dick Ricci on Tax Redorm
Dickerson, Earl (Mrs.)
Display at Pier 5 in Miami, Florida
Dittman, Augusta
Dodge, Rodney
Doll's Eyes, Rocky Mountain Colorado
Don Hunter, Representative Ben Reifel, and Merle Flyger
Dr. Ben Reifel presiding over an assembly discussing Indian boarding school issues
Dr. Harold Lutz Lecturing University of Colorado Mountain Ecology Class
Dr. John Marr Lecturing to Alpine Ecology Class
Dr. Paul Kilburn Summer Instructor of Mountain and Alpine Ecology Classes
Dragseth, Gene
Durland, T. Floyd
Dwarf Willow Alpine Colorado Rockies
Dybvig, Henry N.
Echinacea angustifolia
Echinacea angustifolia
Echinocystis lobata
Edgar S. McFadden
Edgar S. McFadden at a Texas A & M University in College Station, Texas around 1950
Edgar S. McFadden at work in his office at Texas A & M University
Edgar S. McFadden doing research in wheat genetics
Edgar S. McFadden during Hobo Day at South Dakota State College in 1917
Edgar S. McFadden in a flax field at Kenedy in 1949
Edgar S. McFadden in a test plot of wheat
Edgar S. McFadden in a wheat field
Edgar S. McFadden in uniform during World War I in 1917
Edgar S. McFadden kneeling in a wheat field
Edgar S. McFadden looking at wheat
Edgar S. McFadden sitting at his desk in 1951
Edgar S. McFadden test plot of wheat
Edgar S. McFadden with a group of people
Edgar S. McFadden with a group of people
Edgar S. McFadden with a group of people
Edgar S. McFadden with a group of people
Edgar S. McFadden with potted wheat plants
Edgar S. McFadden, Manley Champlin, and Oliver Smith conducting small grain experiments
Effect of Other Farmer Organization on the South Dakota Farmers Union
Eicholtz, Walter W. (Mrs.)
Eikmeier, Earl
Eitemiller, Vene C.
El Capitolio
Eleagnus angustifolia
Eleagnus angustifolia
Eleanor McGovern in Cuba
Eleanor McGovern in Cuba
Eleanor Roosevelt Addresses the South Dakota Farmers Union, Part 1
Eleanor Roosevelt Addresses the South Dakota Farmers Union, Part 2
Elliott, Arlene Schley
Elsing, John E.
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Eminent Farmers and Homemakers of South Dakota
Eminent Farmers and Homemakers of South Dakota
Erigeron glabellus
Ernst, George C. (Mrs.)
Evans, Esther M. (Mrs. Benjamin Evans)
Evans, Esther M. (Mrs. Matthew Evans)
Evenson, Marvin
Event in Washington, D.C.
Evergreen Forests in Colorado Rocky Mountains
E.Y. Berry, Karl Mundt, and Ben Reifel campaigning in 1960
Fall Celatrus at research stand on the Missouri River
Famous Alpine Ecologist John Marr Lecturing University of Colorado
Farmers Union All-State Camp
Farmers Union Junior Camps
Farmers Union Meeting
Farmers Union Stock Commission Farm Tour
Federal Laws Relating to Campaigns
Fenner, Merritt A.
Ferns and mosses
First Calvary Division Radio Report from Camp Younghans in Japan
Flag form trees in Colorado
Flag-Form Trees Colorado Rockies