| 释义 |
- See also
- References
- Further reading
{{refimprove|date=April 2013}}Portland Bowers Roach is a type of limestone from the Isle of Portland in Dorset, southern England, on the Jurassic Coast, a World Heritage Site.[1]Bowers Roach was used to construct parts of Broadcasting House, situated in Portland Place, London.{{fact|date=April 2013}} See also- Bowers Basebed
- Portland stone
References1. ^{{cite web|url=http://www.stonefed.org.uk/index.php?page=portland-bowers-roach |title=Portland Bowers Roach | publisher=Federation Stone Great Britain | accessdate=14 April 2013 }}
Further reading- {{cite book|last=Gwilt|first=Joseph|title=An encyclopædia of architecture: historical, theoretical, and practical|year=1842|publisher=Longman, Brown, Green, and Longmans|pages=469|url=https://books.google.com/books?id=6-1LAAAAMAAJ&pg=PA469&lpg=PA469&dq=portland+bowers+roach+-site:en.wikipedia.org&source=bl&ots=9nnIUC2x2N&sig=lgSjFyAjxANhxGDJPua5_ek0OI8&hl=en&sa=X&ei=yNGRUIqBEdHgigLk84GAAQ&ved=0CGQQ6AEwDDgK#v=onepage&q=portland%20bowers%20roach%20-site%3Aen.wikipedia.org&f=false}}
{{Geology-stub}} 2 : Limestone|Isle of Portland |