Share the story of what Open Access means to you
![a graphic of a lock that is open, the universal logo for open access](/assets/oa-lock-logo-lg-a95dd8d9f9fe5e21ab4499ffd0c8661e55f7d788ae0a03f19a6749eb82e3e899.png)
University of Michigan needs your feedback to better understand how readers are using openly available ebooks. You can help by taking a short, privacy-friendly survey.
Megalithic Rings: Plans and Data for 229 Monuments in Britain
A. Thom, A.S. Thom and A. Burl![](/image-service/mc87pr8891585567717/full/full/0/default.png)
Citable Link
Published: 1980
Publisher: BAR Publishing
- 9781407323541 (ebook)
- 9780860540946 (paperback)
BAR Number: B81