12 Staten Island Association of Arts and Sciences 



Lake Basin. Ibid. 6: 67-68, pi. i. Oct. 1915-Janl 1916. Also 

 reprinted. 



1915. New England Water-Works Association. Sub-Committee on 

 Publications, 34TH Annual Convention. The Water-Works 

 and Other Engineering Features of New York. 8vo pamph. 52 p. 

 88 pi. f. and maps. Sep. 1915. 



1917. Williams, William. A Brief Sketch of the Municipal Water 

 Supply System of the Cit}^ of New York, Specially Prepared for 

 the Mayor's Catskill Aqueduct Celebration Committee by the De- 

 partment of Water Supply, Gas, and Electricity. 8vo pamph. 27 p. 

 9 f. 1917. 



