a mile from the town of Reading, on the south-west, where the works have been carried on for more than a century, and at this time present the following section, beginning from the lowest upwards.[1]
Section of Catrgrove Hill.
| No. | Thickness in Feet. | |
| 1. | Chalk containing the usual extraneous fossils and black flints | |
| 2. | Siliceous sand mixed with granular particles of green earth, and containing both rolled and angular chalk-flints, oysters, and many small and nearly cylindrical teeth of fish from a line to an inch in length | 3 |
| 3. | Quartzose sand of a yellowish colour with a few small green particles, and containing no pebbles or organic remains | 5 |
| 4. | Fullers' earth | 3 |
| 5. | White sand used for bricks | 4 |
| 6. | Lowest brick clay of a light grey colour mixed with line sand, and a little iron-shot | 5 |
| 7. | Dark red clay, mottled with blue and occasionally a little iron-shot. It is used for tiles | 6 |
| 8. | Bed called the White vein. A line ash coloured sand mixed with a small portion of clay, and in some parts passing into loose white sand. It is used for bricks | 5 |
| 9. | Fine micaceous sand laminated and partially mixed with clay, and occasionally iron-shot. It is used to make tiles | 4 |
| 10. | Light ash coloured clay, mixed with very fine sand of the same colour. It is used for bricks | 7 |
- ↑ The measures in this and all the following sections were taken by the eye and do not pretend to extreme accuracy.
