MOUSE SAND, a shoal at the mouth of the estuary of the Thames; 8 miles E of Shoeburyness. A lightship was placed on its W side in 1838; is moored over a depth of 5 fathoms; and shows a fixed light, 38 feet high, visible at the distance of 10 miles.
Source: The Imperial Gazetteer of England & Wales [Wilson, John M]. A. Fullarton & Co. N. d. c. [1870-72].

