16 
Fee Place. 
‘Huron summit, swamp, §. 
. corner of coun 
Harrisville, Medina County, 
Kilbuck summit, 
Tyamochtee summit, T. 5, 7 
; ae , Marion Co. 
Blanchard’s furs of An- 
glaise, 23 erat E. of fa 
Findlay, Han 0., 
Loraine’s ciate ener 
extension canal, 
Somerset, Perry Co., 
Zanesville—triver, at bridge, 
a hill, E. of town, 
Hillsborough, Highland Co., 
Greenville, Darke Co., 
Summit between Scioto = 
Mad rivers, near Mechan- 
icsburg, Champagne Co., 
Summit of Great Miami and 
Scioto, Logan Co., 
Elevation—feet. 
978 
901 
942 
1159 
679 
801 
1124 
1044 
1007 
1350? 
Elevations in Ohio and the adjacent States. 
Surfac 
Near Peaction of slate 
and limestone. 
Conglomerate. 
Limestone. 
cs 
Border of coal measures. 
Coal. measures. 
Limestone. 
te 
“ 
“cc 
Height of places in Michigan, above the ocean. 
Head waters of Belle River, Lapeer Coun nty, ‘ 
Summit between waters of Saginaw Bay and Lake Mich. 673 “ 
91 
Pontiac summit, Clinton and Kalamazoo Canal, - 
Hillsdale County: seven miles east of Jonesville, 
Summit of Central Railroad, on the line between Jack- 
son and Washtenaw Counties, 
Port Holmes, Mackinaw, - - - «+ = 
' Height of Lakes. 
Ontario, - . in = é 
Erie, ero a eo ‘ 2 
pum, ©  — ee gt ok HE cs 
Huron and Michigan, ———— —“s 
Niiperior, «©: “i tea By Se sige: 
Height of points on the Ohio. 
i oe lll Ts 
ORCA. He 
Portsmouth, -..- -« 
Cincinnati, oe oe 
992 feet. 
4 & 
T2111... - 
1015 * 
190% 
232 feet. 
565.333 
570.005 
578.008 
596.180 
