-
original on 20
October 2020.
Retrieved 26
September 2020. Herbert, Chris;
Helby,
Robin (1980). A
Guide to the
Sydney basin (1 ed.). Maitland: Geological...
- 1017/9781316225523.012. ISBN 978-1-316-22552-3.
Retrieved 2022-05-16. Herbert, Chris;
Helby,
Robin (1980). A
Guide to the
Sydney basin. Maitland, NSW:
Geological Survey...
- C., Taylor, G.,
Helby, R., Morgan, R. & Ferguson, J., 1980 – 15.
Diatremes of the
Sydney Basin, p. 295-323., In Herbert, C. &
Helby, R. (Editors.) –...
-
Commonwealth of Australia. 2017.
Retrieved 29
January 2017.
Herbert &
Helby 1980, p. 582. Aird, W. V (1961). The
Water Supply,
Sewerage and Drainage...
-
maintain an on/off
again friendship with Creepie. They are
obsessed with
Harry Helby, shopping, fashion, makeup, and
their cell phones.
Carla is the
leader of...
-
landform Office of
Environment and
Heritage (New
South Wales) Herbert, C. &
Helby, R. (eds) 1980, A
Guide to the
Sydney Basin, Dept. of
Mineral Resources...
-
Hawkesbury sandstone Bringelly Shale Ashfield Shale Chris Herbert &
Robin Helby (1980). A
Guide to the
Sydney basin (1st ed.). Maitland, NSW: Geological...
- to
Belgrave Street in
Petersham to live with her
eldest daughter,
Minnie Helby (formerly
spelled as Helbi), who was
suffering from
bowel cancer and died...
- GROUP.
Australian Museum.
Retrieved August 23, 2012.
Chris Herbert &
Robin Helby (1980). A
Guide to the
Sydney basin (1st ed.). Maitland, NSW: Geological...
- Australia.
Australian Government.
Retrieved November 13, 2020. Herbert, Chris;
Helby,
Robin (1980). A
Guide to the
Sydney basin (1 ed.). Maitland: Geological...