[32] 
r2 
Analysis of the First Fart 
Preliminary remarks. 
Division of sections. 
Potomac section. 
Summit section. 
Mountain ground, objects of surveys. 
Valley of the Youghiogeny described. 
Monongahela, Cheat Run, Sandy Creek. 
Intermediate route. 
Results of lines of level. 
Measurement of water. 
Comparison of lines and tunnels. 
Expense of water. v 
Calculations applying experience. 
Evaporation. 
Reservoirs. 
Feeders. 
Dams. 
Shortest line considered. 
Shortest tunnel line considered. 
A tunnel the gauge of a canal's power. 
Consideration on the descent from the summit. 
Reservoirs for the western section. 
Preferable route, probable. 
Conclusion and view of general and state canal policy, 
