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Land Navigation

Land Navigation

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Land Navigation

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  1. Land Navigation WTT 12 & 13

  2. Task: 071-329-1000 Identify Topographic Symbols on a Military Map Conditions: Given a standard 1:50,000-scale military map. Standards: Identify topographic symbols, colors, and marginal information on a military map with 100 percent accuracy.

  3. IDENTIFY TOPOGRAPHIC SYMBOLS

  4. COLORS USED ON A MAP Black: Man-made features Blue: Water features Brown: Relief features and elevation on older or red-light readable maps Green: Vegetation Red: Man-made features Red-Brown: Cultural features and non-surveyed spot elevations Other: Occasionally other colors may be used to show special information and if used will be noted in the marginal information.

  5. TOPOGRAPHIC SYMBOLS (BLACK)

  6. TOPOGRAPHIC SYMBOLS ( RED)

  7. TOPOGRAPHIC SYMBOLS ( BLUE)

  8. TOPOGRAPHIC SYMBOLS ( GREEN)

  9. TOPOGRAPHIC SYMBOLS (BROWN)

  10. MAP LEGEND

  11. Check On Learning 1. What does the color red indicate on a military map? Major roads and built up areas 2. Where is the legend found on a military map? Lower left corner

  12. Performance Measures 1.  Identified the sheet name.  2.  Identified the sheet number. 3.  Identified the contour interval. 4.  Identified the G-M angle (mils or degrees).   5.  Identified the legend.   6.  Identified the bar scales. 7.  Identified the declination diagram.   8.  Identified the grid reference box. 9.  Identified the adjoining map sheets diagram. 10.  Identified the elevation guide. 11.  Identified 2 of 2 specific man-made features (shown in black on the map).  12.  Identified 2 of 2 water features (blue on the map). 13.  Identified 2 of 2 vegetation features (green on the map).  14.  Identified 2 of 2 man-made features, for example, main roads or built-up areas (brown or red-brown on the map).  15.  Identified 2 of 2 contour lines (brown or red-brown on the map).

  13. Questions?

  14. Task: 071-329-1001 Identify Terrain Features on a Map Conditions: Given a standard 1:50,000-scale military map. Standards: Identify the five major and three minor features on the map.

  15. Terrain Features Five Major • Ridge • Hill • Saddle • Valley • Depression Three Minor • Draw • Spur • Cliff Two Supplemental • Cut • Fill

  16. Ridge

  17. Ridge

  18. Hill

  19. Hill

  20. Saddle

  21. Saddle

  22. Valley

  23. Valley

  24. Depression

  25. Depression

  26. Spur

  27. Spur

  28. Draw

  29. Draw

  30. Cliff

  31. Cliff

  32. Cut

  33. Cut I

  34. Fill

  35. Fill

  36. Check on Learning What are the five major terrain features? Ridge, Hill, Valley, Saddle, and Depression What are the three minor terrain features? Draw, Spur, and Cliff

  37. Check on Learning Find all major and minor terrain features.

  38. Performance Measures • Identified terrain features – GO / NO GO

  39. Questions?

  40. Task: 071-329-1004 Determine the Elevation of a Point on the Ground Using a Map Conditions: Given a standard 1:50, 000 scale military map, a pencil, and a designated point on the map. Standards: Determine the elevation of the designated point to within half the value of the contour interval.

  41. Elevation on a Map =

  42. Contour Lines On a map these lines are brown.

  43. Uniform, Gentle Slope Insert figure 10-6

  44. Uniform, Steep Slope

  45. Concave Slope

  46. Contour lines around a slope Insert figure 10-6