Showing 1 - 2 results of 2 for search '"Irrigation"' Narrow Search
  1. Economic development of the Columbia Basin Project, compared with a neighboring dryland area
    Economic development of the Columbia Basin Project
    compared with a neighboring dryland area
    Book
    Published 1966
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  2. Types of farming : Columbia Basin joint investigations : problem 2 /
    Types of farming
    Columbia Basin joint investigations problem 2
    Government Document Book
    Published 1945
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