ACID LAKES FROM NATURAL AND ANTHROPOGENIC CAUSES

[21] 1973, MINERAL IND SURV OCT, P2

[22] 1978, ELECTR WORLD, V190, P73

[23] 1954, ELECTR WORLD, V142, P127

[24] 1974, ELECTR WORLD, V182, P41

[25] 1934, MINERALS YB 1932 33, P411

[26] 1964, ELECTR WORLD, V162, P113

[27] 1977, MINERALS YB 1976, V1, P344

[28] 1930, MINERAL RESOURCES 2, P342

[29] 1978, 011377 EN DAT REP, P4

[30] 1958, ELECTR WORLD, V150, P79

[21] 1973, MINERAL IND SURV OCT, P2

[22] 1978, ELECTR WORLD, V190, P73

[23] 1954, ELECTR WORLD, V142, P127

[24] 1974, ELECTR WORLD, V182, P41

[25] 1934, MINERALS YB 1932 33, P411

[26] 1964, ELECTR WORLD, V162, P113

[27] 1977, MINERALS YB 1976, V1, P344

[28] 1930, MINERAL RESOURCES 2, P342

[29] 1978, 011377 EN DAT REP, P4

[30] 1958, ELECTR WORLD, V150, P79