TL22F (Old Knebworth)
| Observer name | |
| Postal or Email address | |
Under the terms of the OS OpenSpace licence you may print this tetrad map up to 10 times.
| Site | Grid ref | Site name | Total nests | Active nests | Date |
|---|---|---|---|---|---|
| A | TL237219 | Trees between A1M and GSK | |||
| B | TL226203 | Old Knebworth opposite Lytton Arms PH | |||
| C | TL228204 | Old Knebworth | |||
Rookery survey web pages developed by Garganey Consulting