you can even use the BC GPS Maps in Garmin's
molded plastic case to withstand rugged use
STEEL Tag Wires 12" /1000
Midweight Merino Wool: 250 g/m² for natural versatility in cool and cold weather
The Trekker also incorporates multiple operational safety features such as a patented
Allen Fan Scale (Metric) PSTExempt you can even use theAllen engineering scales for use on maps in posting oil wells, towers, buildings, and tracts of land. SCALES: 1" = 660' 1" = 3 Miles 1" = 24 Miles 1" = 666' (1 8000) 1" = 750' (1 9000) 1" = 2 Miles (1 125,000) 1" = 2. 37 Miles (1 150,000) 1" = 3. 95 Miles (1 250,000) 1" = 7. 89 Miles (1 500,000) 1" = 15. 8 Miles (1 1,000,000) 1" = 1 Mile (1 62500) 2" = 1 Mile (1 31680) 1" = 83. 3' (1 1000) 1" = 166. 6' (1 2000) 1" = 250' (1 3000) 1" = 333. 3' (1 4000)