3-13-2017 after shift- temp emp told a supervisor the temp emp was struck by a rock shoveling beltline. TE said was OK but was reporting per procedure. Supervisor 3 times asked if TE was OK or needed examined etc. TE said was OK. Alleged location was investigated - no rock found. TE began missing work. Mine was informed 6-2-2017 by temp agency work comp was accepting claim.