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Understanding Topographic Maps: Key Features and Symbols

This guide introduces the basics of topographic maps, specifically focusing on the Cambridge topographic map. Learn how each state is made up of townships, which are further divided into sections. Key symbols are explained, such as depressions, hills, marshes, and woodlands. Discover how to recognize highways, unpaved roads, lakes, and other significant features. Understand how to locate townships and sections effectively. By mastering these elements, you will be able to navigate topographic maps with confidence!

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Understanding Topographic Maps: Key Features and Symbols

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Presentation Transcript

  1. Created by: Samantha Cassman Cambridge topographic map

  2. Each state is made up of townships, each township is divided into sections.

  3. Each township is 6m by 6m. The number in the middle is the section of that town.

  4. A circle with lines going into it is called a depression.

  5. A circle with circles getting smaller on the inside is called a hill.

  6. The blue bushes and lines indicate a marsh or swamp.

  7. The green in and around the swamp or marsh indicates a wooded marsh/swamp.

  8. The red and white dashed lines on a map indicate a secondary highway.

  9. The green areas on the map indicate a woodland area.

  10. Here they’re showing the county boarder.

  11. These numbers are the township number. You use these to help you find the section you’re looking for in that town, the individual red numbers.

  12. Lakes are usually labeled on the map. The smaller water areas that look like water are still lakes and ponds.

  13. The dashed lines on a map indicate an unpaved road.

  14. The dots and dashes in this lake indicate that it’s an intermittent lake.

  15. Larger cemeteries are represented by the first three letters, Cem.

  16. The grainy type of area is a sand or mud area.

  17. The square/rectangular shapes in different areas of the map indicate a building is there.

  18. The two shovels crossing indicates a mine!

  19. The building with a cross on the top of it indicates a church.

  20. Here is a school building!

  21. Congratulations!!! You just learned the basics of the topographic map!

  22. Works Cited Images: Knapp, Jeff L. Online. www.geo-site.net Topographic map, Cambridge MN. Google Images.

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