Includes photographs, negatives, and slides of Big Chief Plant (1963-1979), Board of Trade (1964-1978), Boone Valley Processing, Eagle Grove, Iowa (1953-1965), Consumers Cooperative Association/Farmland Board of Directors/Executive Council (1931-1991), Cooperative Farm Chemical Association Lawrence Nitrogen Fertilizer Plant, Lawrence, Kansas (1953-1978), and Coffeyville Petroleum Coke to Ammonia Project (1997-2001).
No access restriction: All materials are open for research.
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