State Rivers and Water Supply Commission. Coliban System. Lake Eppalock construction. Design chart of Rectangular Concrete Channels (42cm x 63.5cm) is stamped C-'48-2-3. Attached is a page labelled Open Channel Flow Diagram (33cm x 42cm), stamped C-'49-2-3.state infrastructure, water supply, coliban system, state rivers and water supply commission. coliban system. lake eppalock.

State Rivers and Water Supply Commission. Coliban System. Lake Eppalock construction. Steel Pipelines Design. Cardboard folder, foolscap size, containing fifteen pages of typed notes, stapled into the folder. Includes diagrams on thicker paper. On the front of the folder is a handwritten note ' Steel Pipelines Design Notes compiled by F. G. Long'. The notes inside are titled ‘Steel Pipe Lines' and 'Pipe Shell'.state infrastructure, water supply, coliban system, state rivers and water supply commission. coliban system. lake eppalock.

State Rivers and Water Supply Commission of Victoria. Coliban System. Lake Eppalock. Map of Lake Eppalock foreshore area. Colour is used to delineate the areas of the Lake included in the three councils - McIvor Shire, Metcalf Shire and Strathfieldsaye Shire. Scale is 1 inch = 40 chains. Various notations in pencil have been added, with 'Coliban Office Plan' written and circled in the top right corner. A coloured (green) area is scaled as 'fore shore area in the charge of Derrinal Recreational Area Management Committee'. Individual leasing details have been added. state infrastructure, water supply, coliban system, state rivers and water supply commission of victoria. coliban system. lake eppalock.

State Rivers and Water Supply Commission of Victoria. Coliban System. Construction of Lake Eppalock. Chart titled 'Coliban System Critical Storage Curves'. Includes table headed ' Estimated requirements for various degrees of restricted consumption' related to the demand on the Coliban River. Figures on storages of Upper Coliban, Lauriston, Malmsbury, Barkers Creek, and Spring Gully. There are penciled notations added. The information appears to be for the years 1957/58/59. state infrastructure, water supply, coliban system, state rivers and water supply commission of victoria. coliban system. lake eppalock.