Martin Frobisher's northwest venture, 1576-1581: Mines, minerals and metallurgyEbookMartin Frobisher's northwest venture, 1576-1581: Mines, minerals and metallurgybyD. D. HogarthRating: 0 out of 5 stars0 ratingsSave Martin Frobisher's northwest venture, 1576-1581: Mines, minerals and metallurgy for later