Tunnel Construction in the Mancos Shale Formation on U.S. Bureau of Public Roads Project 1-F Mesa Verde National Park, Colorado
1956 ◽
Vol 58
(1)
◽
pp. 202-202
◽
1986 ◽
pp. 259-265
2011 ◽
Vol 5
(1)
◽
pp. 1-19
◽