Most of you probably won’t remember the ZanMinimap, but I did some searching and it is 1.7.3 friendly! Mine under the ocean and know when it’s safe to come up, or better yet, come up in your own basement! Wow, I missed this one.. The install is a little tricky but I’ll do my best to simplify it. Download ZanMinimap 0.10.4 here
(installation instructions also in downloaded readme.txt if you want another version)
1.) download and extract ZanMinimap 0.10.4
2.) press “WindowsKey-R” to pull up RUN
3.) type “%AppData%” press ENTER or click OK
4.) navigate to AppData/Roaming/.minecraft/bin and locate “minecraft.jar”
5.) open “minecraft.jar” with WinRar or WinZip
6.) drag contents of downloaded ZanMinimap archive to open minecraft.jar archive overwriting your “bin” folder.
7.) close everything and start the game.
Once you’re in-game, press “M” to bring up minimap options or press “Z” to change zoom level.
NOTE: After playing with this turned on for a bit, I noticed a significant amount of lag, it’s a handy tool but I would keep the minimap turned off most of the time.