| County |
Surveyors (where known) |
Date Surveyed |
| Bedfordshire |
1765 |
|
| Oxfordshire |
1767 |
|
| Huntingdonshire |
1766 |
|
| County Durham |
1787 |
|
| Buckinghamshire |
1766/68 |
|
| Westmoreland |
Ainslie/Donald |
1768 |
| Yorkshire | Ainslie/Donald/Hodskinson |
1767/70 |
|
Cumberland |
Ainslie/Donald |
1770/71 |
|
Northamptonshire |
1771 |
