The following links include references to Green Bottom and Tibbs Cross, and may be of further interest to you:
- http://www.forest-of-dean.net/
- http://www.forest-of-dean.net/gallery/littledean/pages/page_14.html
- http://www.forest-of-dean.net/?Maps_of_the_Forest
- http://risk.english-heritage.org.uk/register.aspx?id=1015&rt=0&pn=4&st=a&ctype=any&crit=mill+windmill+watermill
- http://www.greenbottom.org/
- http://www.british-genealogy.com/local-studies/littledean-village-gloucestershire.html