Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Newell, Frederick Haynes 1862-1932', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Water resources present and future uses gan Newell, Frederick Haynes 1862-1932

    Cyhoeddwyd 1972
    Llyfr

    Water resources present and future uses
  2. 2

    Irrigation in the United States gan Newell, Frederick Haynes 1862-1932

    Cyhoeddwyd 1902
    Llyfr

    Irrigation in the United States

Offerynnau Chwilio: