Tim Yorath: Thames Head Spring
Tim Yorath: Conservators' Marker at Thames Head
Tim Yorath: The Spring that is the 'source' of the River Thames
Tim Yorath: Thames valley
Tim Yorath: Fosse Way culvert
Tim Yorath: A mile from the marker, and still no water-
Tim Yorath: Lyd Well top centre supplies water!
Tim Yorath: The River Thames, flowing to the North Sea