Keywords: 30-cu.ft.Minecar.jpg 30-Cu Ft Mine car United Verde Extension Mining Company Arizona Donor United States Bureau of Mines Source United States Bureau of Mines Image courtesy en Colorado School of Mines URL http //www mines edu/library/digital/photodb/U1330 gif PD-USGov original upload log page en wikipedia 30-cu ft Minecar jpg 2008-05-04 04 20 Tillman 800×441×8 251951 bytes <nowiki>30-Cu Ft Mine car United Verde Extension Mining Company Arizona Donor United States Bureau of Mines Source United States Bureau of Mines Image courtesy Colorado School of Mines URL http //www mines edu/library/digital/photodb/U1330 gif </nowiki> Mining carts Files uploaded by PDTillman United States Bureau of Mines V skip wagons |