lS93-] UPHAM — ESKERS NEAR ROCHESTER, N. Y. 189 



Feet above 

 the sea. 



Intersection of Monroe and Highland avenues, at Mrs. W. H. 



Cobb's residence, immediately south of last.. 544 



The Pinnacle, one-half mile farther west 749 



Summit of Pinnacle avenue, crossing the esker one-third mile 



farther west 5^3 



Top of esker in Highland park, at the Memorial Pavilion.-- 650 



Mt. Hope reservoir, water surface 634 



Summit of South avenue 617 



Summit of Mt. Hope avenue 622 



Highest portions of the esker in Mt. Hope cemetery, about. 675 

 Crest of morainic ridge extending westward as a continuation 

 of the Pinnacle hills, where it is cut by the Genesee Val- 

 ley branch of the New York, Lake Erie & Western rail- 

 road 583 



Same, on east bank of the Genesee river 559 



Same, west of the river, at the Rapids cemetery and onward. .555-560 



Genesee river above the State dam, near the foregoing 508 



At foot of this dam 504 



At the Clarissa street bridge 502 



At the Court street bridge - . 493 



At the Andrews street bridge - 484 



Upper falls, top of rock, 476 ; water in ordinary stage at 



brink and foot of the fall — 473-3S7 



Above and below the Middle falls 374-348 



At mouth of Deep Hollow creek and brink of Lower falls 345 



At foot of Lower falls.. 251 



At the steamboat landing, about one mile north of the 



last, on the level of lake Ontario 247 



Seneca Park bridge, spanning the gorge close below the Lower 



falls -- - - 460 



Highest ground at the Rochester University 520 



Canal and railroad at Pittsford, about 460 



Irondequoit river under the viaduct of the Erie canal, about 400 

 Turk's hill, a station of the U. S, Lake Survey triangulation, 

 near the south line of Perinton township, about 12 miles 



southeast from the Pinnacle hills — 928 



Rush reservoir of the Rochester Water Works, 9 miles south 



of the Mt. Hope reservoir 753 



Hemlock lake (maximum depth, 87 feet), source of the Roch- 

 ester water supply, 19 miles from the Rush reservoir 898 



