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a point whose elevation has been previously determined and marked. It is used as a basis for additional measurements.
bench mark
a line which marks the limits of an area
boundary
measuring distances with less than the full length of the tape.
breaking chain
the lines on a map that indicate points of equal elevation (height).
contour lines
a map marked with contour lines
contour map
the fact of being curved or the degree to which something is curved
curvature
the length of the space between two points
distance
the action or fact of raising or being raised to a higher or more important
elevation
the necessary items for a particular purpose
equipment
determining underground conditions, such as types of soil and rock beneath the surface.
geological survey
the measurement of someone or something from head to foot or from base to top
height
a horizontal plane or line with respect to the distance above or below a given...
level
an instrument used to establish a horizon tal line of sight, usually by means of a spirit level
leveling device
perpendicular to the force of gravity
horizontal plane
a size, length, or amount known by measuring something
measurement
an aerial surveying, an overlapping arrangement of photographs that eliminates distortion at the edges of the pictures.
mosaic
