bolotskoe sand quarry, russia - may 2017: sand quarry. mining

2017 arenaceous arenose backhoe bolotskoe bulk bulldozer cargo clay coarsegrained construction delivery deposits dig dirt district earth earthmoving equipment excavator factory finegrained fossil granularity gravel gritty hydraulic industrial industry kaluzhskiy large loader loading machine machinery may mediumgrained mine mineral minerals mining miningn nonore open opencast pile pit pond production quarry region relief resources rock russia russian sabulous sand sandpit sandy site stonepit unloading useful village zhukovskiy