| Code/Flag Figure |
Description |
Status |
|
0
|
FREE TRACK WITHOUT FURTHER INFORMATION
|
|
|
1
|
FREE TRACK, EMBANKMENT
|
|
|
2
|
FREE TRACK, FLAT RELATIVE TO SURROUNDINGS
|
|
|
3
|
FREE TRACK, WATER BASIN(S) IN VICINITY
|
|
|
4
|
FREE TRACK, FOREST
|
|
|
5
|
FREE TRACK, CLEFT
|
|
|
6
|
FREE TRACK, ON HILLTOP
|
|
|
7
|
FREE TRACK, ON HILLTOP, FOREST
|
|
|
8
|
FREE TRACK, IN VALLEY
|
|
|
9
|
FREE TRACK, IN VALLEY, FOREST
|
|
|
10
|
FREE TRACK, NORTH INCLINATION
|
|
|
11
|
FREE TRACK, NORTH INCLINATION, FOREST
|
|
|
12
|
FREE TRACK, SOUTH INCLINATION
|
|
|
13
|
FREE TRACK, SOUTH INCLINATION, FOREST
|
|
|
20
|
BRIDGE WITHOUT FURTHER INFORMATION
|
|
|
21
|
BRIDGE ACROSS A VALLEY IN A URBAN AREA
|
|
|
22
|
BRIDGE ACROSS A VALLEY WITH FOREST/MEADOWS/FIELDS
|
|
|
23
|
BRIDGE ACROSS STREET/TRACK
|
|
|
24
|
BRIDGE ACROSS BIG RIVER/CANAL
|
|
|
25
|
BRIDGE ACROSS RIVER/CANAL OF MEDIUM SIZE
|
|
|
26
|
BRIDGE ACROSS A SMALL STREAM/LOADING CANAL
|
|
|
31
|
MISSING VALUE
|
|