195 



the Pnnahiu and Kalnanui Streams may be used to develop hydro- 

 electric power for pumping on Kahuku Plantation. 



Miscellaneous measurements were made of the outflow from 

 the Waiawa portal of the Waiahole tunnel, the flow from the 

 new Y. M. C. A. well, and of the Afong ditch in ui)pcr Xuuanu 

 \^allev. 



G. K. Larrison spent 13 days in the field, visited four stream 

 and two rainfall measurement stations, and made three miscel- 

 laneous measurements. 



H. A. R. Austin spent 23 days in the field, visited 20 stream 

 and three rainfall measurement stations, and made 18 stream and 

 ditch measurements at regular stations and nine miscellaneous 

 measurements. 



R. C. Rice spent 1 1 days in the field, visited two stream meas- 

 urements at regular stations and one miscellaneous ditch measure- 

 ment. 



The outflow from both portals of the Waiahole tunnel con- 

 tinues to diminish. The Waiahole portal, including "R" tunnel, 

 now has a discharge of 28 million gallons per day, and the \\'ai- 

 awa portal 13 million gallons per day. 



Maui. 



Only routine maintenance work was done. G. K. Larrison vis- 

 ited all continuous record stream measurement stations, and one 

 rain gage on the lao Valley tableland. This rain gage had been 

 tampered wdth and the receiver reversed so that the annual record 

 was spoiled. The gage was also badly battered, apparently by a 

 cane knife. 



Hazvaii. 



/ 

 G. K. Larrison spent five days in the vicinity of Waimea mak- 

 ing measurements in the Waikoloa drainage area, locating old 

 ditches and assisting the Attorney-General in collecting evidence 

 relative to the flow of the stream and the ditches diverted there- 

 from. 



MAY PLANS. 



Kauai. — The Kapaa measurement stations will be completed. 

 New copper rain gages of increased capacity will be established 

 on Kilohana lookout, elevation 4020 feet and :\It. \\'aialeale, ele- 

 vation 5080 feet. 



Oahu. — ^lake needed measurements to complete ratings of 

 stream measurements stations, and make minor repairs to exist- 

 ing stations. 



The commanding officer of the Hawaiian. Department L^. S. 

 Army has requested that this office make "an examination of con- 



