by United

1905

by United States. Office of Experiment Stations

1905

by United States. Office of Experiment Stations

1905

by United States. Office of Experiment Stations

1895

by United States. Bureau of Chemistry

1891

by UNITED STATES DEPARTMENT OF AGRICULTURE

1912

by United States. Bureau of Agricultural Economics

1930

by United States. Congress. House. Committee on Agriculture

1916

by United States. Agricultural Research Service

1902

by United States. Department of the Interior

1906

by United States. Congress. House. Committee on Appropriations

1924

by United States. President, James Daniel Richardson

1909