R E A D 



Irrigation in the United States 



By FREDERICK HAYES NEWELL 



Chief Engineer U. S. Reclamation Survey 



The book of authority on the most logical ex- 

 pansion question before our people. 



92,OO, postpaid to any address. 



Address: FORESTRY AND IRRIGATION 

 Washington, D. C. 



Foresters and Botanists will find profit and 

 pleasure in 



Important Philippine Woods 



The standard reference book for Philippine 

 forests. By Capt. G.P. AHERN, Chief of Philip- 

 pine Forestry Bureau. 42 large colored plates. 



Price, $3.00. 

 Forestry and Irrigation Book Dept. 



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Scientific American. 



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Branch Office, 625 F St., Washington, D. C. 



RIVERSIDE FOUNDRY flJlO 



WORKS 



SOLE MANUFACTURERS OF 



Deep (JUell Pump Head 



New Design in Pump Construction . . Few Working Parts. 

 Uniform Flow of Water . . Saving of 30 to 40 per cent 

 in Power . . Write for full information 



WORKS AND OFFICE 



RIVERSIDE, CALIFORNIA 



