Inexact Date Codes

These codes are used primarily when exact dates cannot be obtained.
Banders should rarely need to use them.

MONTH CODES
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 82 SUMMER
 83 SPRING
 92 WINTER
 93 FALL
 94 HUNTING SEASON
 99 UNKNOWN MONTH OF ENCOUNTER
 00 UNKNOWN MONTH OF BANDING
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DAY CODES
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 41 1ST 10 DAYS IN MONTH
 42 2ND 10 DAYS IN MONTH
 43 3RD 10 OR 11 DAYS IN MONTH
 45 ENCOUNTERED DURING SPECIAL HUNTING SEASON
*51-81 ENCOUNTER LETTER DATE OR POSTMARK PLUS 50
 99 UNKNOWN DAY OF ENCOUNTER
 00 UNKNOWN DAY OF BANDING
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* 12-65-70, for example, indicates that the letter was postmarked
or dated 12-15-70 (50 having been arbitrarily added to the day).

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