What is the definition of "Survey Control Points"?

The definition of "Survey Control Points" refers to benchmarks or reference points that provide positional accuracy on a survey. These points serve as reliable and established markers that surveyors utilize to ensure that measurements are consistent and accurate throughout a surveying project. By referencing known coordinates or elevation data, survey control points help in determining the precise location of other features within the surveyed area.

In practical applications, control points are crucial for creating a framework for various surveying tasks, such as mapping, construction, and property boundary determinations. They form the backbone of survey work by allowing for the integration of different survey data and aiding in ensuring that all measurements are aligned within the same reference system.

Considering the other options, the first choice does not encompass the comprehensive purpose of survey control points, as they aren't limited to indicating the highest elevation. The third option focuses on measurements over time, which is more related to monitoring land changes rather than the definitive positioning nature of control points. Finally, the fourth choice restricts the use of control points to land development, whereas they are utilized across various surveying disciplines and not exclusively for development purposes. Thus, the selection of the definition involving benchmarks or reference points as a means of achieving positional accuracy is indeed correct.