| ▲ | tastyfreeze 7 hours ago | |
USGS MRDATA has a lot more mines. Their data is also freely available for download. I use their datasets and base maps for my personal GIS projects. | ||
| ▲ | bombcar 6 hours ago | parent [-] | |
It includes what most would call quarries and it doesn't include anywhere near all of them (there are basically infinite invisible quarries everywhere to make concrete because it doesn't transport well). | ||