feather alumfeather fracturefeather ice or pipkrake or pipkrakefeather orefeather quartzfeather zeolite or zeolite or zeolitefeatheredgefeatheredgingfeatheringfeaturefeature class or feature classes or feature classesfeature classification imageryfeature codefecal pellet or pellet or pellet or pelletsfech fechfederal geographic data committee or fgdc or fgdcfederal highway administrationfederation international of surveying or fis or fisfederovskitefedoritefedorov stagefedorovskitefedotovitefeeblefeeble earthfeebly leached soilfeedfeedbackfeederfeeder beachfeeder dyke or feeder dykes or feeder dykesfeeding channelfeeding groundfeidjfeinglositefeitknechtitefeits’uifeklichevitefelbertalitefelder or tesserae or tesseraefeldmarkfeldsparfeldspar group or feldspar or feldsparfeldspathic greywacke or greywacke or greywackefeldspathic lithwacke or lithwacke or lithwackefeldspathic quartzitefeldspathic sandstonefeldspathic shalefeldspathic subgraywackefeldspathic sublitharenite
