An address to the gentlemen of the county of Cornwall, on the present state of mining in that county: with some observations on the tin and copper trades.
Hawkins, Christopher,Sir.
London,
1772.
Anonymous. By Sir Christopher Hawkins.
ESTC
http://galenet.galegroup.com/servlet/ECCO?c=1&locID=nlibscot&stp=Author&ste=11&af=BN&ae=T189779&tiPG=1&dd=0&dc=flc&docNum=CW107787537&vrsn=1.0&srchtp=a&d4=0.33&n=10&SU=0LRL+ OR+0LRI