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  1. Economic surveys of county highway improvement : a compilation and analysis of data in eight selected counties, showing comparative financial burdens and economic benefits resulting from highway improvement during a period of years
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1916
  2. Bulletin of the U.S. Department of Agriculture
    Publication info: [Washington, D.C.?], Supt. of Docs., G.P.O, 1913-1923