LAC 43:XXVII.1113. Diapositives

A. Clean, lint-free cotton gloves shall be used whenever diapositives are handled for aerial triangulation. The diapositives shall be individually stored in proper containers furnished. B. All point marking will be performed on the diapositives. Under no circumstances will any marking be performed on the original aerial photography negatives. As a general rule, all targets will be marked with the exception of targets which are exceptionally well defined on the diapositives.