Machinery used to operate a drag line at a coal mine near Hanna, WY. The drag line is used to remove the overburden and expose the coal. Part of the 2009 Teaching Energy workshop. Originally uploaded in Cutting Edge:Topics:Energy:2009 Workshop.
Image 15630 is a 488 by 651 pixel JPEG Uploaded:
Provenance Karin Kirk, Independent Educational Consultant
Reuse This item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.