Answer: tarpits

AnswerCrossword Clue
TARPITSFossil preservers
TARPITSMammoth traps
TARPITSLa Brea sights
TARPITSLa Brea fossil preserve
TARPITSBone preservation locations
TARPITSLa Brea's claim to fame
TARPITSAnimal bone preservers