16 Elevations in Ohio and the adjacent States. 
Place. Elevation—feet. Surface rock. 
Huron summit, swamp, S 978 oie junction of slate 
E. corner of county, and limestone. 
Harrisville, Medina County, 
Kilbuck summit, 
Tyamochtee summit, T. 5, 
S:,) B.15, E.; Marion Co., 
; 901 Conglomerate, 
Blanchard fore of ‘| 
898 Limestone. 
glaise, 22 miles E. of Fort 1052 at 
Bindi! Hancock Co. 
Loraine’s summit, Miami 942 7 
extension canal, 
Somerset, Perry Co., 1159 _Border of coal measures.: 
Zanesville—river, at bridge, 679 
Ks hill, E. of town, 801 Coal measures. 
Hillsborough, Highland Co., 1124 Limestone. 
Greenville, Darke Co., 1044 ‘ie 
Summit between Scioto and} 
Mad rivers, near Mechan- 1007 « 
icsburg, Champagne Co., j 
Summit of Great Miami and 
Scioto, Logan Co., Tee x 
Height of places in Michigan, above the ocean. 
Head waters of Belle River, Lapeer County, - 992 feet. 
Summit between waters of Saginaw Bay and Lake Mich. 673 “ 
Pontiac summit, Clinton and Kalamazoo Canal, - 914 * 
Hillsdale County, seven miles east of Jonesville, 1211 “ 
Summit of Central Railroad, on the line between Jack- 
son and Washtenaw Counties, - - - 1015 « 
Fort Holmes, Mackinaw, - - - - ~ TOG oR 
Height of Lakes. 
Ontario, - - - - - - - - 232 feet. 
Erie, - - - - - = - - 565.333 
St’ Clair, - - - - - - - - 570.005 
Huron and Michigan, Sec Si aes - 578.008 
Superior, ~ > - - - - - - 596.180 
Height of points on the Ohio. 
Pittsburg, - - - Fe Galhctm - - - 705 feet. 
Marietta, - - - - - - - - Sot 
Portsmouth, - - - - - - - ATO. at 
Cincinnati, - - ee a z c A382, « 
