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Catalog numbers for the Mountaineers Archives have the form MTR.xxxx.yy.zz:
- MTR – Fixed string prefix identifying the item as part of the Mountaineers collection.
- xxxx — Year the item or collection was cataloged.
- yy — Catalog sequence for the given year. (Example: "2007.3" designates the third catalog entry in 2007.)
- zz — (Optional) Individually cataloged item in collection xxxx.yy. Further subdivision is allowed as needed.Catalog number should be preceded by "MTR" to denote the Mountaineers Archives (example: MTR.2007.3).
This numbering system applies to everything except books, which should use Library of Congress numbers.
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Boxes in the Mountaineers Archives should use numbers of the form yyyymmdd.xx, where yyyymmdd specifies the year, month, and day when the box was identifiedlabeled. The final element, xx, is a sequence number, in case more than one box is archived on a given date. Box numbers aren't permanent. The can be created and destroyed as needed. The numbering system is intended to ensure that every box in the archives has a unique ID number.