What type of monuments are marked with witness monuments as deemed necessary by the Land Surveyor?

When surveyors establish boundary lines or points, they often use large or indefinite monuments due to their significant importance in defining property lines. These monuments can be large stones, concrete pillars, or other substantial structures that serve as reliable markers in the landscape. Witness monuments are specifically utilized in conjunction with these types of monuments to further ensure their location can be verified in the future.

The role of witness monuments is to provide additional references for the surveyor and others who may seek to locate the original monument later. Witness monuments are placed at a certain distance from the large or indefinite monument and can help identify the location of the main monument if it were to be disturbed or lost. This practice enhances the enduring nature of the survey and supports the integrity of the boundary being established.

In contrast, portable markers, temporary flags, and permanent structures serve different purposes or are not utilized in the same manner as witness monuments in relation to large or indefinite monuments. Therefore, large or indefinite monuments being marked with witness monuments is essential for maintaining the accuracy and reliability of land surveying over time.