TY  - BOOK
AU  - KALS W S
TI  - Land navigation handbook: the Sierra Club guide to map, compass and GPS 
SN  - 1578051223 (pbk) :
PY  - 2005///
CY  - San Francisco
PB  - Sierra Club Books
KW  - ORIENTEERING
KW  - MAP READING
KW  - GPS
KW  - NAVIGATION
N2  - Detailed guide to printed and digital maps and map reading together with advice on choosing and using compasses and hand held GPS units. Also covers celestial navigation, orienteering, with a section on problem solving
ER  -