1-3 of 3 Books

Rough notes of an exploration for an inter-oceanic canal route by way of the rivers Atrato and San Juan, in New Granada, South America
By Trautwine, John C.
On the junction of the Atlantic and Pacific Oceans
On the junction of the Atlantic and Pacific Oceans
By Frederick M Kelley
The union of the oceans by ship-canal without locks
The union of the oceans by ship-canal without locks
By Frederick M Kelley