Steam Shovel Mining Including a Consideration of Electric Shovels and Other Power Excavators in Open-Pit Mining Marsh, Robert Heftet / 2017 / Engelsk
Steam Shovel Mining: Including a Consideration of Electric Shovels and Other Power Excavators in Open-Pit Mining (Classic Reprint) Marsh, Robert Heftet / 2022 / Engelsk
Steam Shovel Mining Including a Consideration of Electric Shovels and Other Power Excavators in Open-Pit Mining Marsh, Robert Innbundet / 2015 / Engelsk
Steam Shovel Mining Including a Consideration of Electric Shovels and Other Power Excavators in Open-Pit Mining Marsh, Robert Innbundet / 2015 / Engelsk
Steam Shovel Mining Including a Consideration of Electric Shovels and Other Power Excavators in Open-Pit Mining Marsh, Robert Heftet / 2017 / Engelsk
