■ POOR BOY LEDGE BIG ISLAND. 579 



Robinson point, at 1 mile to the westward; Green islet, the eastern- 

 most, is 24 feet high, and Poor Boy islet, the westernmost, 20 feet 

 high ; shoals with 3 fathoms of water over them extend a little south- 

 ward from Poor Boy islet, and broken ground, with If fathoms over 

 it, skirts Robinson point to the distance of 300 jmrds. 



Poor Boy ledge, bearing 157°, distant 400 yards from Poor Boy 

 islet, is 200 yards in extent, with 15 feet water over it, and steep-to 

 around. 



Big" rock, bearing 170°, distant ^ mile from Poor Boy islet and 

 nearly in the middle of the entrance between Green islet and Big 

 island, is small, with 3^ fathoms water over it. and steep-to around. 

 The western end of the rocks westward of St. Jones island open 

 eastward of Deer Harbor head, bearing 33°, leads eastward of Big 

 rock. 



Big" island, on the southern side of the entrance, southwestward 

 1 mile from Green islet, is 218 feet high, and being separated by a 

 narrow channel from the mainland, which is higher, it is not easily 

 distinguished from seaward. Tea Cove point, ^ mile northward of 

 Big island, is shelving and steep-to; the distance between this point, 

 on the southwest, and Poor Boy islet and the land of Robinson point 

 on the northeast, is nearly ^ mile and is the narrowest part of the 

 entrance. 



Southeast arm. extends eastward 1,200 yards on the northern side 

 of Robinson point from its entrance, wdiich is between that point and 

 Sophia head ; it is generalh^ about 200 yards wide, with depths of 

 4 to 12 fathoms. 



Northeast a,rni. — Sophia head, which separates Southeast arm 

 from Northeast arm, is 257 feet high. Xortheast arm extends north- 

 northwestward 800 yards, with a breadth of 300 yards, and a depth 

 of 4 to 7 fathoms water. 



Anchorage. — Grub island lies close oif the southern shore of the 

 harbor at ^ mile within Tea Cove point, and there is fair anchorage 

 for small vessels in the bay westward of the island, in 7 to 20 fathoms 

 of water, over a space 600 yards long, northward and southward, and 

 400 yards wide. 



Directions. — With a fair wind, bring Crown hill in line with the 

 northern point of Grub island, bearing 311°, which mark leads be- 

 tween Poor Boy ledge and Big rock (Crown hill wall soon be shut in 

 behind the near range) until the northeastern end of Big island is in 

 line with Tea Cove point, bearing 160° ; keep this mark on astern, and 

 rounding Grub island, anchor as convenient, 



A^'lien working in, pass westward of Big rock, with Sophia head 

 open westward of Robinson point, bearing 336°, until the southern 

 end of Poor Boy islet is seen between Green islet and Deer Harbor 

 head, about 83° ; then steer in mid-channel about 313°, avoiding the 



