It's a visual clone, I left out some of the more adult aspects of the game though..

You still need the diamond ring to marry mimi too. Apart from some sections of the bar that aren't good for kids to have in their games and that damn clover that didn't do anything... I've made it match the original game in every aspect
I actually emailed the original author of the game for the source so I could get the spawn rates % right but I never got a reply.
Yeah, his site doesn't seem to be terribly up to date does it?
And in your game mimi married me the first time i went into the bar, before i got the ring. also it would be nice to keep the old values of $5000 to get into the bar and at least $20000 to marry mimi. i'm pretty sure the clover altered the spawn rates of both the hazzards and the ores. also is the pump in the game? I think in the original there was more of a payoff for using dynamite. i see you always find a gold nugget at the point of ignition but i seem to remember higher odds for the blast radius as well.
I have found one bug, when you try to move down or up a screen while there is granite in the way, the screen scrolls but the miner stays off screen. it should probably be so that the screen does not scroll when this happens.
I realise i am being picky here but i like things to be just right.
Anyway its still lots of fun, but i hope you can improve it. Peace out.