172 Report of the Board of Shell Fish Commissioners 



Maximum 

 Density. 



Fox Island 1.0124 



Great Rock 1.0124 



Philibys 1.0122 



Harris 1.013 



Piney Island, East. . . 1.0098 



Piney Island, West.. 1.0108 



Prickley Point 1.010 



Mussel Hole 1.0109 



Mud 1.0102 



Turtle Egg Island. .. 1.0108 



Chain Shoal 1.0104 



Cedar , ... 1.0108 



Drumming Shoal.... 1.0105 



The maximum rate of flow of the currents in Tangier Sound 

 are as follows: Over Great Rock, 1.09 miles per hour; Piney 

 Island East and Harris bars, .85 mile per hour; Piney Island 

 West, .97 mile per hour; Chain Shoal, 1.13 miles per hour; 

 Mussel Hole, 1.21 miles per hour; Mud and Turtle Egg Island, 

 .85 mile per hour; Old Orchard, 1.31 miles per hour and Haines 

 Point, 1.21 miles per hour. 



Observations of the tides were carried on from May 27 to 

 June 29, 1907, at Janes Island Light, from June 16 to August 

 30, 1907, at Solomons Lump Light and from September 5 to 

 September 30, 19.07, at Great Shoals Light. While the object 

 of the detailed results of these observations was for use in 

 reducing the soundings made during the survey to the level of 

 mean low water, some of the facts obtained are of general in- 

 terest and are given below: 



Janes Island 



Light. 



Maximum range of tide.... 3.6 feet 

 Mean range of tide 2. feet 



Solomons Lump Great Shoals 

 Light. Light. 



2.8 feet 3.4 feet 



1.8 feet 2.5 feet 



Crabbing grounds aggregating an area of 15,944 acres have 

 been excluded from lease in this section. They are situated 

 in the following five localities : Around Smith's Island and in 

 its various coves, creeks and thoroughfares; around South 

 Marsh and in its coves, creeks and thoroughfares ; west of Haz- 



