1. Reliability and Marginal Information
1 Star Map and Compass
Lesson 1

2. Revision What is the definition of a map? What types of map do we use?
A map is a bird’s eye view of the ground drawn on paper.
What types of map do we use?
It is absolutely accurate only at the time it is drawn.
How do you care for maps?
Waterproofing, only writing on it in pencil and folding it correctly.
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3. The Aim
To introduce to you the various parts of a map sheet and how reliable a map is.
This will enable you to find the relevant information on map sheet quickly during your other one star lessons
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4. It is absolutely accurate only at the time it is drawn.
A Maps Reliability
It is absolutely accurate only at the time it is drawn.
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5. A Maps Reliability
Questions?
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6. Marginal Information Title and Sheet Number Conventional Signs Scale
North Information
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7. Marginal Information
Questions?
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8. Reliability and Marginal Information
Summary
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9. Reliability and Marginal Information
END
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