Hello, this is my short tutorial that shows how to dig iron ores and minerals a bit faster.
Basically, this is very simple, I'll post few screenshots to show how does it look like to prevent pointless questions and also to help newbies with using this guide in the future.
First thing to start off is get a sledgehammer to don't look suspicious, then look around for a target. HP doesn't matter, I suggest you to use Minigun/Advanced Minigun if you can afford it and JHP ammo, with that set there's no chance he will run out with his minerals alive.
So, if you see a happy miner (They're usually Overweight so you must be really really retarded to fail) Use steal on him to see if the ammount of minerals/ore he has is worth killing him, or you can let him dig them for some more.
To prevent being looted by another noob, first thing is always loot yourself, then loot the other one with CTRL + Left Mouse Button (It's faster, picks up everything up to 2x of your carry weight.)
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If you're overweight with your new minerals, root back to your closest tent to unload.
Go back, repeat it over and over again.
After short time (Up to a 15 minutes, maximum 30 minutes if you're doing it without help of your friend) you can do anything you want with them.
Hope this small guide will help a lot of newbies to save some time in Mines, regular minerals and ores aren't worth as much as HQ ones but it's still useful.
This guide doesn't work in unprotected towns mines, such as Gecko/Broken Hills/Redding..
It is still good to visit NCR Quarry and Junktown as well.
Good luck!