stationDepthRange
Matches stations at a range of depths below the surface.
Example
<stationDepthRange>
    <unit>METER</unit>
    <min>100</min>
    <max>200</max>
</stationDepthRange>
    Places this can be found
In station there is a choice between all of the following
- stationCode
 - stationRegularExpression
 - stationName
 - stationOperator
 - stationDepthRange
 - stationEffectiveTimeOverlap
 - stationArea
 - stationBoxArea
 - stationPolygonFile
 - stationPointDistance
 - stationPointAzimuth
 - printlineStationProcess
 - stationPointBackAzimuth
 - stationAND
 - stationOR
 - stationNOT
 - externalStationSubsetter
 - belongsToVirtual
 - stationScript