A black and white photograph depicting a view of the quarry, then South Coffs Island (now Corambirra Point) and the southern breakwall.

For further related items in Coffs Collections search for "The quarry'. 

An article on the laying of the first stone of the breakwater: https://trove.nla.gov.au/newspaper/article/195136037?searchTerm=coffs%20harbour

For more on the history of the building of the breakwater see pp.2-3: https://www.coastalconference.com/2013/papers2013/Guy%20Russell%20Full%20Paper.pdf

and https://www.geocaching.com/geocache/GC5BC0E

Current images of the eastern breakwall: https://www.publicworks.nsw.gov.au/projects/north-coast/coffs-harbour-eastern-breakwall