Steam shovel mining, including a consideration of electric shovels and other power excavators in open-pit mining This book, "Steam shovel mining, including a consideration of electric shovels. and other power excavators in open-pit mining", by Robert Marsh, is a replication of a book originally published before 1920. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.