terms:first_reading
FR (1) The depth of the first useable reading or value recorded on a curve at the onset of the survey. (2) Usually the depth in the hole of the deepest reading for any given curve normally recorded in the bottom-to-top direction. See also pick-up.
terms/first_reading.txt · Last modified: 2023/11/22 08:40 by 127.0.0.1