Aperçu gratuit du livre The Laws Which Regulate The Disposition Of Lead Ore In Veins; Illustrated By An Examination Of The Geological Structure Of The Mining Districts Of Alston Moor. [with A Map And Plates.]
The Laws Which Regulate The Disposition Of Lead Ore In Veins; Illustrated By An Examination Of The Geological Structure Of The Mining Districts Of Alston Moor. [with A Map And Plates.]