INPUT-OUTPUT CODS. Entry 1 denotes that the temperature 
values vere obtained from B! prints. Entry 2 indicates 
that temperatures were read from unprocessed BT glass 
slides and grids. For entry 3 see below. (Additional 
codes pertain to output card only.) 
CARD M TT M3EH . 03 is number of first detail card. Number 
of la's t' card shown should match entry in Field 31* 
NOTE: Card number 50 is an optional special-use flexure 
point card. Up to ten flexure 
On card number 50. the flexure 
entry in vhole feet or meters, 
3-dipit temporature entry. Top. 
further identified by a 3 in . 
point 
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NOTE: INPUT listings may carry a number of apparently 
incomplete entries; when only cruise andslide number 
(Fields 1 and ?) are shown it indicates a 3T trace which 
could not be digitized for various reasons and is in¬ 
cluded for NODO inventory ourooses only* 
