Gold Dredging

Mining Engineer Cecil Longridge Offers A Detailed Introduction To The Art And Science Of Gold Dredging, A Common Method For Extracting Gold From River Beds And Other Alluvial Deposits. Drawing On His Own Experience In The Field And On Published Sources, Longridge Covers Topics Such As Equipment, Techniques, Regulations, And Environmental Considerations. This Book Is An Essential Resource For Anyone Interested In Mining, Geology, Or Environmental History.this Work Has Been Selected By Scholars As Being Culturally Important, And Is Part Of The Knowledge Base Of Civilization As We Know It.this Work Is In The Public Domain In The United States Of America, And Possibly Other Nations.