Rock Blasting - A Practical Treatise On The Means Employed In Blasting Rocks For Industrial PurposesEbookRock Blasting - A Practical Treatise On The Means Employed In Blasting Rocks For Industrial PurposesbyGeorge Guillaume AndreRating: 0 out of 5 stars0 ratingsSave Rock Blasting - A Practical Treatise On The Means Employed In Blasting Rocks For Industrial Purposes for later