to keep all materials in one place
is a peg normally nxt to the site office, its is a peg with a line for the rest of lines on site to go off
Archaeologists use a datum point to establish a consistent reference point for all measurements during excavations. This helps ensure accuracy and precision in recording the vertical and horizontal positions of artifacts and features. By having a fixed point of reference, archaeologists can maintain spatial relationships within the site.
Datum is not the plural of data. Datum is singular, and its plural form is data.
Datum and gps
Correction: What is hydrographic datum? not "hydrography"
datum is the plane in which we can sketch any thing thing
Datum is singular. Data or datums is plural.
sorry but i don't think there is something as datum
Land-surface datum is a datum plane that is approximately at land surface at each well. If known, the elevation of the land-surface datum above sea level is given... Datum: any level surface, line, or point used as a reference in measuring elevations.
According to ASME Y14.5, a primary dimensioning datum requires at least 3 points of contact to establish the datum plane. Two points of contact are required for the secondary datum and 1 point of contact is required for the tertiary datum.
The datum is supported by thorough research.