Drillhole Without Key Strata
This routine will report all selected drillholes that do not
contain any Key strata. It also will give the option to draw a
circle around those drillholes.
Prompts
Draw circle around no-key
drillholes [Yes/<No>]? y
Circle radius
<100.0>: 50
Drop-Down Menu Location: Drillhole
Keyboard Command: nokeych