Field map

Dry Flex Rubber Bezel - Improved comfort and grip - Removable safety lanyard

Field Studies Council (9781851538652 / Col.ill.) - Reptiles - Sheet map, folded - Field Studies Council - ISBN: 9781851538652 - Pages: 8 pages, Col.ill. - Publication date: 01/08/1999

Field Studies Council (9781851538607 / Ill.(some col.).) - Trees, wildflowers & plants - Field Studies Council - ISBN: 9781851538607 - Pages: 8 pages

The Collins Press (9781848891661 / Photos and maps)

Featherstone Education (9781472924094 / 350 maps, 123 colour plates)

Princeton University Press (9780691167176 / 337 color illus. 313 maps.)

Wiley (9780470686348) | Basic Geological Mapping, Geological Field

Quercus Books (9781786485830)

The Silva Expedition 4 is a high-quality field compass with map reading aid for precise navigation. It features a fixed declination scale and directional arrow for easy orientation, and a rotating bezel ring for accurate course setting.