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W. B. Gregory

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U. S. Department of Agriculture. Office of Experiment Stations - Bulletin 183, April 15 1907 Mechanical Tests of Pumps and Pumping Plants, Used for Irrigation and Drainage in Louisiana in 1905 And 1906
Cost of Pumping from Wells for the Irrigation of Rice in Louisiana and Arkansas (Classic Reprint)
Cost of Pumping from Wells for the Irrigation of Rice in Louisiana and Arkansas (Classic Reprint)
The Selection and Installation of Machinery for Small Pumping Plants (Classic Reprint)