Tatiya,Ratan Raj
Surface and Underground Excavations Methods, Techniques and Equipment - 2 - New York CRC Press Taylor and Francis Group 2013 - p.866
9780415621199
Rocks,minerals and mineral inventory evaluation Prospecting,exploration and site investigations Drilling Drives and Tunnels
624.152 T17S
Surface and Underground Excavations Methods, Techniques and Equipment - 2 - New York CRC Press Taylor and Francis Group 2013 - p.866
9780415621199
Rocks,minerals and mineral inventory evaluation Prospecting,exploration and site investigations Drilling Drives and Tunnels
624.152 T17S