North Mymms Notes - No 23
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The trig point pillar north of Welham Green Image by the North Mymms History Project released under Creative Commons BY-NC-SA 4.0 |
Interactive map
Below is an interactive map showing the bench marks, trig points, and pillars in North Mymms and the surrounding area.
Comments and information welcome
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOlb3ea6-7pj9vwXigUUGEhqcwWaoN6_FDSfog6L3esmy6i8LlEjjixYFHARU-Fvywnd2rAKQuNu7OZTMCWzsyLHk-8cEFJw0Yvh0ynj6G2jvwnoUrgS8J6pb9cbzgsp3f6NO78T7AZnfD/s1600/hysh.png)
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