Police seized seven cannabis plants that were dumped on the side of Clarence Colliery Road after they received a call from one of the mine's managers at 11am on Friday, May 10.
The root balls of the plants were still attached and appeared to be left over from indoor cultivation.
Police are currently investigating.
Prohibited drug possession
A 35-year-old man was charged with possession of a prohibited drug offence after he was stopped while driving on Lidsdale Street at Wallerawang late on Sunday night, May 12.
Police searched his vehicle, a white Nissan Pulsar, and located 3.96 grams of cannabis leaf.
He was given a court attendance notice for being in possession of a prohibited drug and is to appear at Lithgow Local Court at a later date.
Police were called to an Inch Street address on Friday, May 10 after numerous calls were made about a house party and damaged property.
The tyres of a red Ford Falcon were slashed during the incident, which is still under investigation by police.
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