Contributions to economic geology, 1910, Part I, Metals and nonmetals except fuels--Structural materials; Building stone; Clays; Gypsum and plasters; Line and magnesite; Glass, sand, etc.; Abrasives
1879 ◽
Vol 7
(170supp)
◽
pp. 2711-2711
Keyword(s):
Keyword(s):
1979 ◽
Vol 16
(5)
◽
pp. 318-337
◽
2001 ◽
Vol 50
(8)
◽
pp. 807-811