Recent improvements in geological mapping.
200 million years ago there was absolutely nothing here!
An illustration of the perils of using the dilute acid test on limestone!
Geologist explains that fossil mountain bike tracks were unlikley in the Carboniferous.
‘Howard Carter’ Bowyer examines entrance to tomb on learning that there was a lot of sand here in the Devonian!
Hilda at her Drift.
Follow the leader!
Whin Sill track conveniently laid down in the Carboniferous.
Rocks used to come all the way up to here (or was it ice?)
These rocks are a nuisiance.
It wouldn’t have been wise to hang about here in the Ice Age.
The stream crossing. Now who’s going first?
Surely not that Roman aqueduct again!
Something we took a lichen to.
Geological maps can make good places to hide.