range

A range of lengths

Example 

<unit>KILOMETER</unit>
<min>0</min>
<max>36</max>

This consists of

<unit>
<min>double</min> optional
<max>double</max> optional

Places this can be found

azimuthRange contains this directly

backAzimuthRange contains this directly

stationDepthRange contains this directly

distanceRange contains this directly

In latLonUnitRange in an unordered group with all of the following

originDepthRange contains this directly

siteDepthRange contains this directly