| RefNo | L&P/11/152/2 |
| Level | Item |
| Title | Plate, 'A plan of Herland and Prince George Copper Mines in the parish of Gwlnear in Cornwall' by unknown artist |
| Date | 1800 |
| Description | Subject: Geology
Published in Philosophical Transactions, as 'Account of the discovery of silver in Herland Copper Mine'
Read 12 February 1801 |
| Extent | 1p |
| Format | Manuscript |
| PhysicalDescription | Map on paper |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rstl.1801.0010 |
| RelatedRecord | L&P/11/152 |
| L&P/11/152/1 |