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As a minimum the following data should be recorded when surveying
- Date of survey - needed for magnetic declination
- Survey team members
- Name of cave being surveyed
- Name of cave section e.g. Upper Series, Lower Levels, Show Cave Section - these will be useful when writing the description
- Calibration data
- Instruments used
- Units used if not 'normal' e.g. grad, feet, percent
- survey legs and LRUD readings
Other things that should/could be recorded
- Major features such as stal bosses, huge blocks
- side passages, even if you don't explore them, put a station here for use later
- pits and steps in the floor
- floor detail, blocks, sand, pebbles, guano, flowstone
- avens and chimneys
- streams with direction of flow
- air draughts with direction
- pitches
- changes in passage size, good idea to place a station here
- notches
- passage termination - show type - boulder choke, stal choke, too low, too tight
- waterfalls and cascades
- inlets and sinks
- geological features, faults slickensides, dip/strike, dikes, sills, folding
- biological - blind fish, crabs etc, animal prints, bones
- archaeological features, fire pits, sherds, bones