» » Contour Lines
If you haven't studied contour lines before, they can be confusing, but once you get the hang of it, you will find it easy to see the valleys, ridges, slope of the land, and so on.
Contour lines won't show up until you are zoomed in enough. There are two contour layers, one for fairly broad-scale maps and one for more detailed maps.
The dark ones are 100 metre contour lines.
The closer the contour lines are together, the steeper the slope is. In this little map, the East (right) side of the river valley is steeper than the West side.
Where the orange road is parallel to the closest contour line, it means the road isn't going up or down much. The road touches a contour line at one point. To get down to the river from there, you would have to climb down past five contour lines and then a bit more - that is 5 x 20 metres = 100 metres and a bit, say 105 metres or 345 feet - more than the height of a 30-story building!
Water flows straight down-hill if it can, so in most cases, the little creeks cross contour lines at close to a right angle.
Notice the creek that flows into the claim near its North-West (upper left) corner, and the contour lines that it crosses. All of these contour lines (except the bottom one) jog a little into the side of the valley, which means that the creek has cut its own little valley going down to the river.
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