railroad grades

5" x 11" coil cover

making this shovel a favorite among serious detectorists nationwide

designed for Garrett AT Series metal detectors

and geological knowledge needed to make every trip more successful

The Field Guide To Geology Scales railroad gradesAn excellent basic reference to the ingredients and processes that forged our planet. Includes 500 detailed and easy to understand two color maps, charts, illustrations and photos. Since the first edition of this book was published in 1998, technology for geological fieldwork has improved immensely. The coverage of these innovations, in a new chapter called "Monitoring Earth," is this book's best feature. It provides useful overviews, at a level of