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

In latLonUnitRange Start in an unordered group with all of the following

siteDepthRange contains this directly

stationDepthRange contains this directly