$Agency - Name of Agency from which the record came
$StationID
$StnName
$StateProv - State, Province, or Territory where the station is located
$Country - Country in which the station is located
$Lat - Latitude of the station, numeric
$Lon - Longitude of the station, numeric
$CatchmentArea_km2 - total drainage area in square kilometers
$RHN - Indication whether the station is part of a reference hydrologic network, TRUE/FALSE
$MetadataSource - Indication of where the metadata came from, e.g. WSC Hydat, USGS, user-supplied.
$StationID_Alternate - Alternate station ID, e.g. original station ID versus ROBIN database