hi !
I have thousand of abandoned quarry in my county .But i really love one of them because its a quarry lost in a mountain called mont saint-grégoire,this mountain have lot of open pit mine! this is the mountain:
you can see que quarry ? not really,look like a cliff ! but no,i will found the little drill bit here,i found also a old pumping station,extraction machine etc ! its my favorite place to go.i try to talk with my father to going there to take pic of it.the extraction of this mountain begin in the end of the 19th century and he abandoned around 1960,around 50 year its abandoned !