RE-LOCATION OF RAILWAY ABOVE GATUN DAM 30 (The trestle embankment will run as a causeway across a bay of the lake) MOTOR TROLLEY FOR INSPECTION OF WORKS 30 (In the background are screened houses of employees) TROPICAL FOREST, WITH HEAVY GROWTH OF PARASITIC PLANTS 36 JUNGLE WITH PIPE THROUGH WHICH OIL IS CONVEYED BY GRAVITATION ACROSS THE ISTHMUS 36 CHAGRES RIVER NEAR BARBACOES 42 (In the dry season--looking down stream) CHAGRES RIVER NEAR OBISPO 42 (In the dry season) FRENCH DREDGER LAID UP 48 (Several of these have recently been put in use again) FRENCH TRUCKS PARTLY COVERED WITH FOREST GROWTH 48 (Many of these were used at first by the Americans, but are now replaced by larger ones) EXCAVATION NEAR TAVERNILLA 52 RIVER CHAGRES AND RAILWAY NEAR GORGONA 52 LIDGERWOOD UNLOADER, WINDING APPARATUS 56 _ANOPHELES_ BRIGADE OILING A DITCH 56 100-TON WRECKING CRANE, GORGONA 62 INTERIOR OF MACHINE SHOP, GORGONA 62 MACHINE SHOPS, GORGONA 66 CLUB HOUSE FOR EMPLOYEES, GORGONA 66 (Managed by the Y.M.C.A.) EXCAVATION IN THE CUT 72 PIPE FOR DIVERSION OF A RIVER, NEAR EMPIRE 72 IN THE CUT, WIDTH 500 FEET 76 IN THE CUT, LOOKING SOUTH TOWARDS CULEBRA 76 (The gorge between Golden and Silver Hills just visible) ROCK DRILL 82 (These machines bore a hole 30 feet deep in eight hours) ROCK DRILLS AT WORK IN THE CUT 82 THE CUT, LOOKING NORTH FROM CULEBRA 86 THE CUT, LOOKING SOUTH FROM CULEBRA 86 FROM CULEBRA, LOOKING EAST TO DISTANT HILLS 92 FROM CULEBRA, LOOKING EAST ACROSS THE CUT 92 (Terraces formed by landslip are just visible behind the smoke of a distant steam shovel) FROM CULEBRA, LOOKING EAST TO GOLDEN HILL 96 (Showing excavation in steps and ledges. Each ledge has carried a railway track) THE CUT AT CULEBRA, LOOKING NORTH 96 (The scarped face of Golden Hill on the right. Taken April, 1908, in the then bottom of the cut, 120 feet above Canal bottom)