De Bruyn, I.A.
The Occurrence of Sinkholes and Subsidence Depressions in the Far West Rand and Gauteng Province, South Africa, and Their Engineering Implications - Boulder, CO Geological Society of America August 2001 - pp. 281-295 ilus., tbl.
1078-7275
CAVIDADES SUBTERRANEAS
DOLINA DE HUNDIMIENTO
DOLOMITA
SUBSIDENCIA
SUDAFRICA
The Occurrence of Sinkholes and Subsidence Depressions in the Far West Rand and Gauteng Province, South Africa, and Their Engineering Implications - Boulder, CO Geological Society of America August 2001 - pp. 281-295 ilus., tbl.
1078-7275
CAVIDADES SUBTERRANEAS
DOLINA DE HUNDIMIENTO
DOLOMITA
SUBSIDENCIA
SUDAFRICA