Elements of mining /
Lewis, Robert Strong, 1882-
Elements of mining / Robert S. Lewis. - 3rd ed. - New York : John Wiley & Sons, 1964. - xi, 768 p. : ill., maps. ; 24 cm.
Includes bibliographies.
0471533319
Mining engineering.
Elements of mining / Robert S. Lewis. - 3rd ed. - New York : John Wiley & Sons, 1964. - xi, 768 p. : ill., maps. ; 24 cm.
Includes bibliographies.
0471533319
Mining engineering.
