Police released images on Saturday of Mr Hardgraves’ abandoned ute that showed damage to the front of the vehicle.
SES volunteers were called out to Texas on Friday but were unable to locate the man.
45 SES volunteers and police resumed their search on Saturday, with police asking anyone who may have seen a man walking or hitchhiking along Stanthorpe Texas Road on Tuesday or Wednesday to call Crime Stoppers.
Police have also asked landholders and residents in Texas to check their properties for the man.
Mr Hardgraves is described as Caucasian, about 175 centimetres tall with short straight sandy hair and blue eyes.
Police were also searching for one 13-year-old girl, two 14-year-old boys and one 21-year-old girl reported missing in four separate incidents across greater Brisbane and Mackay.
A 13-year-old girl reported missing from Mackay on April 29 was last sighted at Beaudesert on Friday afternoon.
The young girl is described as Caucasian in appearance, with a slim build, dark brown hair and was last seen wearing pink glasses, blue jeans and a hooded jumper.
Police believe she is travelling with an older man who may be known to her in a white Holden Commodore. The man was sighted separately at Bundaberg on Friday and was seen wearing a black t-shirt with a white logo on the front, faded black jeans, black sneakers and a grey faded hat.A week later, 14-year-old boy went missing after leaving his home at Shelduck Street at Inala. Concerns are held for the young boy as he suffers a medical condition and has not made contact with his family or attended school since he went missing. He is described as Aboriginal in appearance about 160cm tall with dark brown hair and brown eyes.
Just four days later, a 21-year-old woman went missing from a medical facility at Herston. Tiva Cahill suffers from a medical condition and police hold concerns for her welfare as she does not have any medication with her. Ms Cahill is described as Aboriginal in appearance with a slim build and long brown hair. On Monday, another 14-year-old boy was reported missing from Acacia Ridge. Police say the boy lives in Slacks Creek but is usually with friends in the Logan area. The boy is described as Caucasian in appearance with a slim build and light brown hair and brown eyes. Police have urged anyone who has seen any of these five missing persons to contact Crime Stoppers on 1800 333 000.