Just a collection of a few worlds (the worlds are not mine, they were build by others) that feature everything you need for playing regular survival. While i didn't try all of them, they all are described to have ores, biomes and all the other resources needed to play survival minecraft, no matter if alone or on a server.
Hope you like this collection, If you know any other fitting maps feel free to let me know, i'll add them.
MageZ