The lawsuit was filed Friday in Pottawattamie County , Iowa , by the nine railroad employees on behalf of a class that could include 30,000 members , according to the lawsuit .
Iowa /location/location/contains Pottawattamie County
DT NN VBD VBN NNP IN NNP NNP , NNP , IN DT CD NN NNS IN NN IN DT NN WDT MD VB CD NNS , VBG TO DT NN .
Iowa
LOCATION
Pottawattamie County
LOCATION
/location/location/contains