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I think I have seen these with the abbreviation at the end, e.g. 202TX. With some specimen numbers appended. Eg. 202TX401. I'm not sure of the order of location vs. specimen #. This needs to be confirmed.
Specimen Numbers: NPL, BEG, P, K, etc
Most of what you will see in the way of specimen numbers uses one of the above labels. But there are others. labels below.
- NPL - Current NPL numbering scheme.
- NPL-lastname - I have seen these, but I think they only occur in Alt Numbers. E.g. NPL-McCall, NPL-Garvie, NPL-Elliott, ...
- BEG - Bureau of Economic Geology Collection
- P - Plummer Collection.
- K - R. H. King Collection.
- R - Rio Bravo Collection. From the Rio Bravo Oil Company.
I think there are others. Does the Chantegrain Eocene Collection have its own numbering scheme?
When we get donations from collectors, they normally have some scheme. As these are catalogued they are given NPL numbers, with the collector's original number in the Alternate Numbers field.