RE: Mines 8 (!)

You wrote: 

<re: Lanes>

>What about a provision to have them only known to the layer (he said
>layer)?  

Kinda difficult.  Have to remember, safety first.  Unless a lane is 
clearly marked, you will have people thinking they are in the lane, 
only to find out wrong when they trip a tripwire and send a bounding 
fragmentation[1] mine up to wipe out their platoon.

John M. Atkinson
[1]AKA "Bouncing Betty"  US version has lethal radius of 27 meters, 
danger radius of 183 meters.