AIR ISLAND SHABK EOCK. 545 



with Benmans island, bearing 80°, which leads southward of the 

 shoal up to Dale point. 



Air island, west-southwestward 2| miles from Traverse island and 

 near the middle of Freshwater bay, is 75 feet high ; the main channel 

 passes southward of it, and its southern coast is steep-to, but rocky 

 islets, with shoal water, extend 600 yards off its northern and eastern 

 coasts. 



North of Air island there is a depth of 3 fathoms of water, but the 

 shores are rocky, and that passage must not be attempted without 

 local knowledge. 



Gambo brook, at the head of Freshwater bay, has 6 feet water 

 over the bar and 2 fathoms inside. 



On the right bank of Gambo brook there is a steam sawmill, and 

 on the left bank of a stream which falls into the brook at 3 miles 

 above this mill, there is a water mill, the two being connected by a 

 tramway. 



Tides and tidal streams.— It is high water, full and change, in 

 Freshwater bay at 7h. 30m. : springs rise 4 feet, neaps 3 feet. 



In the entrance to Freshwater bay the ebb stream runs nearly 1 

 knot an hour, but the flood is weak. 



Communication. — There is a railway station at Gambo, ^ mile 

 from the mouth of Gambo brook, and distant 192^ miles from St. 

 Johns; the railway crosses Gambo brook by a steel bridge, 80 yards 

 long, with masonry piers. 



Cat bay is reached through Cat gut, which extends southward 

 from the head of Content reach: the entrance narrows to 100 yards 

 at the inner end, where the depth is S^ fathoms; the bay then turns to 

 the northeastward round Ballast cliff. 



A rock, bearing 110°, distant 800 yards from Ballast Cliff point, 

 has 3 feet of water over it. 



Tidal stream. — In the narrows, at the entrance, the ebb stream 

 nms 1^ knots an hour, and the flood nearly 1 knot. 



Offer Gooseberry island, southward, distant 6| miles from Cop- 

 per island, is 118 feet high, and appears as a treble-peaked island ; it 

 is the outer and most conspicuous of a group of rocks and islands 

 southeastward of Bloody bay and reach. 



North Brown islets, 15 feet high, lie eastward, distant ^ mile 

 from Offer Gooseberry island, and South Brown rocks, 4 feet high, 

 lie east-southeastward 1 mile from the same island. 



Offer rock, bearing 79°, distant about If miles from the south- 

 eastern end of Offer Gooseberry island, is awash, and generally 

 visible. 



Shark rock, bearing 76°, distant 2| miles from the southeastern 

 end of Offer Gooseberry island, breaks in a moderate sea. 

 76846—09 35 



