Showing 1 - 4 results of 4 for search 'Billings, Lloyd Clayton', query time: 0.55s Refine Results
  1. 1
    Manual for sewage plant operators,
    Published 1946
    Other Authors: “...Billings, Lloyd Clayton, 1887-1952...”

    Book
  2. 2
    Manual for water works operators,
    Published 1951
    Other Authors: “...Billings, Lloyd Clayton, 1887-...”

    Book
  3. 3
    Manual for sewage plant operators,
    Published 1946
    Other Authors: “...Billings, Lloyd Clayton, 1887-1952...”

    Book
  4. 4
    Manual for water works operators,
    Published 1943
    Other Authors: “...Billings, Lloyd Clayton...”

    Book
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