[ 5 ° ] 
XI. An Account of the Stmt a obferved in finking for Water at 
Bofion, in Lincolnfhire. By Mr. James Limbird, Surveyor 
to the Corporation ; communicated by Sir Jofeph Banks, Bart » 
P. R. S. 
Read December 21, 1786. 
** 1 
O N the 7th day of May, 1785, George Naylor, of 
Louth, in the county of Lincoln, Well-borer, began 
to bore at the well in the Market-Place, Bofton ; which had 
been funk and bored to the depth of 186 feet from the furface, 
in 1747, by Thomas Partridge. 
The well was made about 6 feet in diameter at the top, 5 
feet in diameter at the bottom, and 27 feet deep, and the 
earth prevented from falling in by a circular frame of wood, 
which goes from the furface of the earth to the depth of 21 
feet and 6 inches, and is there fupported by brick-work, laid on 
a bed of light-coloured blue clay, which continues to the depth 
of 36 feet from the furface, where there is a bed of fand and 
gravel about 18 inches thick, and under it the fame fort of blue 
clay as before, which continues to the depth of 48 feet from 
the furface. Below this there is a bed of dark-coloured ftone, 
like ragftone, about fix inches thick, from under which George 
Naylor fays, that a fait fpring iffues. Beneath this layer 
of ftone, there is a bed of dark-blue clay, which continues to 
the depth of 75 feet from the furface, where is a bed of 
Hone, of a lightifh colour, about 6 inches thick, and under it 
3 a bed 
