tag:digital.library.illinois.edu,2005:/items/557058e0-8ec6-013a-c212-02d0d7bfd6e4-5Field operations of the Bureau of Soils, 1914 : sixteenth report2022-07-20T21:20:02Ztag:digital.library.illinois.edu,2005:Item/8559372022-03-29T14:52:56Z2022-07-20T21:20:02ZField operations of the Bureau of Soils, 1914 : sixteenth reportField operations of the Bureau of Soils, 1914 also issued as: U.S. Congressional Serial Set, vol. 6841. Accompanying map portfolio issued as: U.S. Congressional Serial Set, vol. 6842.University of Illinois at Urbana-Champaign Library