Aerial view of industrial sand and gravel quarry open-pit mining site In San Diego, California, USA
Palabras clave
canyon,
career,
excavation,
extraction,
geology,
granite,
gravel,
mine,
mineral,
mountain,
quarry,
rock,
sand,
cobbled,
construction,
conveyer,
factory,
fossil,
ground,
limestone,
material,
mill,
pebble,
pit,
processing,
production,
plant,
sandstone,
threat,
stone,
work,
business,
clearing,
conveyer belt,
ecology,
shoveling,
giant,
global,
harm,
lime,
logging,
sustainability,
aerial view,
cement,
damage,
dirt
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