There's a section on field drainage in Tarlow, S. 2007. The Archaeology 
of Improvement in Britain, 1750-1850, Cambridge University Press, p. 59-62.
/Lara

On 29/10/2012 18:10, geoff carver wrote:
> There was an article on the problem that few people document them in a
> recent book called "Reconsidering Fieldwork."
> Jones & Richardson reference a ppaper in "Water management in the English
> landscape" (Edinburgh, 1999): "Arable land drainage in the early nineteenth
> century." Might have some useful references.
>
> -----Original Message-----
>
>
> Has anyone done any research on agricultural drainage tiles? How much of an
> agricultural field is disturbed from the installation of drainage tile?
> Are/were the tiles installed at an average depth? Does anyone know of any
> reference material on this topic?
>
>