public StationInventories(XElement xml)
 {
     this.Stations = new List<StationInventory>();
     var stations = xml.Elements("station");
     foreach(XElement station in stations)
     {
         StationInventory entry = new StationInventory(station);
         this.Stations.Add(entry);
     }
 }
        public StationInventories(XElement xml)
        {
            this.Stations = new List <StationInventory>();
            var stations = xml.Elements("station");

            foreach (XElement station in stations)
            {
                StationInventory entry = new StationInventory(station);
                this.Stations.Add(entry);
            }
        }