Conquer the CST Level 1 Land Surveyor Certification 2025 – Map Out Your Success!

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In mapping, what is the purpose of establishing contour lines?

To show vertical and horizontal alignment only

To represent only soil composition

To connect points of equal elevation to visualize terrain

The purpose of establishing contour lines in mapping is to connect points of equal elevation, effectively visualizing the terrain's shape and relief. Contour lines allow surveyors and map users to understand changes in elevation across an area, which is crucial for various applications such as land development, environmental management, and topographical analysis. Each contour line represents a specific elevation level, and the spacing between these lines indicates the steepness of the slope; closely spaced lines indicate a steep area, while widely spaced lines suggest a gentle slope. This representation helps in making informed decisions about construction, drainage, and land use planning, as well as enhancing the understanding of natural features such as hills, valleys, and plains.

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To create abstract figures for aesthetic purposes

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