Drainage plan extending from Croydon Street, past St Osyth Street and Quinn Street to Sylvan Road, Toowong - 1904
Proposed drainage plan extending from Sylvan Road near Norwood Street, past Quinn Street to St Osyth Street, Toowong - 1890
Proposed plan of drain extending from St Osyth Street, past Croydon Street, parallel to Sylvan Road, to the railway bridge, Toowong - 1890