large limestone quarry in clitheroe, ribble valley. excavators and trucks working with rock terraces on the quarry walls

building business cement cliff clitheroe construction destruction digging dumper earth environment excavation excavators geology gravel heap hill human impact industrial industry lancashire landscape large limepit limestone lorry machine machinery material mine mineral open openpit outdoor pit quarry quarrying resource ribble rock rubble sand sky soil stock stockpile stone stonepit terraces tip tipper truck trucks valley vast view walls working