Survey Symbols Practice Test

What does a concrete monument symbol look like on a plan?

A solid square or circle with a CM label A hollow square with CM A line with CM ticks A circle with CM dots

Correct Answer:

A solid square or circle with a CM label

Explanation:

On survey plans, concrete monuments are represented with a solid filled shape to stand out clearly. The standard is a solid square or circle that carries the CM label, identifying it specifically as a concrete monument. The filled symbol is easier to spot than hollow shapes and, with the CM text, leaves no doubt about what the mark represents. A hollow square can be confused with other features, a line with ticks suggests a feature like an alignment rather than a monument, and a circle with dots points to a different type of mark. So the solid shape with the CM label is the clearest, most recognizable representation.

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