LIST OF ILLUSTRATIONS 



PLATES 



Plate 1 — Relief map of New York State Frontispiece 



FACING PAGE 



Plate 2 — A, View of Black river at the village of Black River 232 



B, View of Black river at village of Brownville 232 



Plate 3 — Map of catchment area of Hudson river above Glens Falls. 252 

 Plate 4 — Power dam at the High falls of the East Canada creek. 

 Constructed by the Dolgeville Electric Light & Power Company 



in 1897 274 



Plate 5 — General view of hydraulic laboratory of Cornell university. 32G 

 Plate 6 — Experiment on model of Rexford Flats dam at Cornell 



university, June 3, 1S99 328 



Plate 7 — Another view of the hydraulic laboratory at Cornell uni- 

 versity 330 



Plate 8 — Catchment area of Genesee river 332 



Plate 9 — Dam in the Mohawk river at Dunsbach Ferry 404 



Plate 10 — Great flood of 1865 at Rochester. Looking across the aque- 

 duct from South St. Paul street near where the New Osborne House 

 now stands. Lumber from yards farther up lodged against the 



piers 442 



Plate 11 — The upper fall at Rochester at time of flood flow 440 



Plate 12 — Upper and middle falls of the Genesee river at Portage. . . 592 

 Plate 13 — A, Measuring weir constructed on Genesee river above 



Mount Morris in 1896 602 



B, Former timber dam on Genesee river at Mount Morris. 602 

 Plate 14 — Beaver meadow near Indian lake; a typical reservoir site 



in the Adirondacks 622 



Plate 15 — A, The dam at Mechanicville with flash boards in place.. 628 



B, The present dam at Fort Edward 628 



Plate 16 — A, Dam on Schroon river at Warrensburg, with flash 



boards in place 632 



B, Dam where gagings are made at Little Falls 632 



Plate 17 — Catchment area of Schroon river 638 



Plate 18 — View of head of canal of the Niagara Falls Hydraulic 



Power & Manufacturing Company 646 



Plate 19 — Power house of the Niagara Falls Hydraulic Power & 



Manufacturing Company 648 



Plate 20 — View of interior of station of Niagara Falls Hydraulic 



Power & Manufacturing Company 650 



Plate 21 — Power house of the Niagara Falls Power Company 652 



Plate 22 — View of interior of power house of the Niagara Falls 



Power Company 654 



Plate 23 — Power house of the St Lawrence Power Company 656 



