St Albans: 
Geological trail around the St Michaels area
click here for full pdf version (2 pages)

St Albans:
Geological trail around the Cathedral 
click here for full pdf version (2 pages)

St Albans: 
Geological trail around the city centre
click here for full pdf version (2 pages)

Hertfordshire Puddingstone
(Courtesy of the East Herts Gology Club) 
click here for full pdf version (2 pages)

In preparation:
Stevenage Town Centre trail