Police were called to a site between Emley and Clayton West on Wednesday after a caller reported finding what appeared to be bones while clearing a patch of waste ground.
West Yorkshire Police said forensic specialists had confirmed the bones to be human, adding that it was "believed they have been there for some time".
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West Yorkshire Police said forensic specialists had confirmed the bones to be human, adding that it was "believed they have been there for some time".
Human remains found in West Yorkshire woodland
A police cordon is in place in Kiln Lane, which sits between Huddersfield and Wakefield.