4.2. Topography and Drainage
The Mount Morgan Mine is located west of the Mount Morgan Township, lying within the Dee Range.
The Dee Range runs SE/NW and separates the coastal plains from the interior plains. The Dee River
is the immediate receiving water body adjacent to the site, situated on the southern boundary of the
mine lease, between the mine and the town. The Dee River enters a vast flat-lying alluvial plain at the
margin of the Biloela Basin, ultimately flowing into the Don River and then the Fitzroy River, where it
reaches Rockhampton and the coast.
The current drainage features and receiving waterbodies are displayed in Figure 16. The landform has
been highly modified primarily by the creation of the OCP which many catchments now drain into and
influenced by the placement of latent tailings and waste rock within naturally occurring valleys. The
evidence that the landform is highly modified is illustrated well by comparison with the pre-mining
drainage network provided in Figure 17. As depicted in Figure 17, prior to mining activities occurring at
the Mount Morgan Mine, the headwater of the Mundic Gully flowed north to south before flowing in an
easterly direction towards the Dee River. The Mundic Gully headwaters now drain into an ephemeral
dam that is connected via a tunnel to Dam 8.
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Wulguru Technical Services Pty Ltd – Supporting Information Report
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