My thanks to those who responded to me whether privately or via the MAGIRT-RDA list. Everyone suggested going beyond 6 decimal places--in short, give the coordinates as I found them.
> MARC documentation offers the pattern +-ddd.dddddd as one of the decimal degree
> formats we use in the 034 field. There are 6 digits after the decimal point. I have
> coordinate data with 7 digits after the decimal. Is the length of the pattern numbering
> capped at "3-decimal-6"? The MARC examples mimic the pattern.
>
> http://www.loc.gov/marc/authority/ad034.html
--
Mark K. Ehlert O'Shaughnessy-Frey Library
Cataloging and Metadata University of St. Thomas
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Phone: 651-962-5488 St. Paul, MN 55105
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Verona," Act I, Scene iii
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