Minerals and Metals in Ancient India v1.c7.22
Minerals and Metals in Ancient India v1.c7.22
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*Ill. 1.23* Zawarmala Mine. Double arches made by fire-setting. The lower set is of later origin resulting from retreat working.
Minerals and Metals in Ancient India v1.c7.22
*Ill. 1.23* Zawarmala Mine. Double arches made by fire-setting. The lower set is of later origin resulting from retreat working.