----------------------------Original message---------------------------- Jerry -- The references that I have handy are from WAML Info. Bull. March 1982, p. 180, and June 1982, p. 340-341. Nancy Kandoian NYPL Map Div. [log in to unmask] ______________________________ Reply Separator _________________________________ Subject: date codes Author: william j thornton <[log in to unmask]> at Internet Date: 11/26/96 2:55 PM ----------------------------Original message---------------------------- Does anyone know the source for map date codes. A couple of articles were published in the Bulletin of the Western Association of Map Libraries and, being lazy, I'm hoping someone has them handy and can give me the references. Thanks in advance, Jerry.