Pictorials: gravel unloading in ports; aggregate stock-pilesfor ilustrative purposes only - these photo gallaries may help with understanding how terminals and loading and unloading work in the marine aggregate space.
https://www.polarmin.com/photo-gallery/port-terminals/
its worth having a look around on this site - there are some updated photos - showing what is happing in the Port McNeil quarry - and what happens at terminals down in the SF Bay.
www.polarmin.com