Stone Age man was at work with flint around where Gaddesden Row is now. Flint was used to build St Mary's Church and flint walls can still be seen on many local houses.
Flint Clunch A Flint Nodule
Clay in the fields.
The heavy clay formed ground that was ideal to grow the oats, wheat and barley which can still be seen growing in the fields which form part of the boundary of Grovehill.
Clay to make tiles
The clay in this area is suitable to make tiles as it doesn't twist during firing.
Chalk to make the clay fertile
The clay needed dressing with lime, and dells where the chalk was extracted to produce lime can also be seen in the surrounding fields.
The extremely cold conditions produced 'brick earth' which can be fired into bricks.
The white rock, clunch, is a hard form of chalk and can be seen on many houses.
Found in narrow bands associated with chalk and clay.
All this the riches of the land to be respected, and exploited to share.