Geological facts; or, the crust of the earth, what it is, and what are its uses

W. G.Barrett

《Geological facts; or, the crust of the earth, what it is, and what are its uses》，W. G.Barrett。这是一部关于科学、宗教、艺术的公版作品，适合在安静的片刻里慢慢读下去。