ALLEGED INCIDENT WAS TO OCCUR WHILE THIS EMPLOYEE WAS OPERATING A SCOOP WHILE PULLING TOOL SKID. TOOL SKID THAT HE WAS PULLING LIFTED THE REAR OF THE SCOOP AND LET IT DROP. CAUSE OF THIS INJUR Y WAS AWARENESS AND NOT PUTTING THE SKID IN THE BUCKET OF THE SCOOP TO PULL. ROUGH ROADWAY A CONTRIBUTING FACTOR.