Land Nav RC

1. What color is used on a map to identify cultural features, all relief features, non-surveyed spot elevations, and elevation such as contour lines?

Red-Brown

Black

Blue

Green

Red-Brown

2. What type of lines are the most common method of showing relief and elevation on a map?

Hachures line

Contour line

Form line

Langley line

Contour line

What is the elevation of point ‘A’ on the image?

170

Identify this terrain feature.

Hill

Identify this terrain feature.

Ridge

Identify this terrain feature.

Depression

Identify this terrain feature.

Saddle

Identify this terrain feature.

Valley

Identify this terrain feature. (8)

Spur

Identify this terrain feature. (9)

draw

Identify this terrain feature. 11 and 12

Fill and cut

Identify this terrain feature.13 and 15 

Ridgeline and valley

If your azimuth is 70°, what is your back azimuth?

250

If your azimuth is 270°, what is your back azimuth?

90

Indicates man-made features such as buildings, roads, trails, railroads, and boundaries.

black

Represents water features — rivers, lakes, swamps, streams, and other bodies of water.

blue

Indicates vegetation, such as woods, orchards, or other areas of dense foliage.

green

If you are traveling uphill and the contour lines become closer together, what does that indicate about the slope?

steeper terrain

Convert a grid azimuth of 264° to a magnetic azimuth. The Easterly G-M angle is 17°.

17

281

264

247

247