National Geographic : 1915 Aug
A TLANTI C OCEAN CARIBBEAN SEA -R . IAY OF A PA NA MA Pt.Bruja Chorrerao 1 Tortola 1. PA CI FI C 0CEAN SMelonese Ids. Toboguilla I. Taboga scale of Miles MAP OF THE CANAL ZONE AND SURROUNDING TERRITORY OF THE PANAMA REPUBLIC Showing the relocated railroad, the canal route, Gatun Lake, covering 164 square miles, and the portion of same extending beyond the zone, with the watershed and tributary streams still under the exclusive jurisdiction of Panama. One-third of the lake and all the flooded valleys contain much standing timber, living and dead (see pages 187, 188, and 191).