2 *fix 1 reference 0 0 0 ; so there's some survey data
10 *sd counter 0.15 metres
12 *sd tape counter 0.05 meters
13 *sd tape counter depth 0.05 meters
15 *sd compass 10 degrees
17 *sd compass clino 5 degs
18 *sd clino compass 3 mils
19 ;*sd clino declination compass 3 mils
20 ;*sd declination 3 minutes