Issue #15 - May 26, 1989
The Mystery of the Cantino Map. By Arne B. Molander.
The History of the Old Naval Observatory. A summary by Nancy Goddin Miller of a Society visit to the site and a presentation by Jan Herman.
The U.S. Federal Government in Postal Mapping, 1763 - 1930’s. A summary by Nancy Goddin Miller of a presentation to the Society by Robert Richardson.
Carto-Philately. A brief summary by Nancy Goddin Miller of a presentation to the Society by Jim Golliver.
The Early History of the U.S. Lake Survey. A summary by Robert A. Highbarger of a presentation to the Society by Chris Baruth.
Map Projections. A brief summary by Robert A. Highbarger of a presentation to the Society by John P. Snyder.
Philadelphia Field Trip, May 1989. A report on the Society outing to the Maritime Museum, Atwater Kent Museum, Historical Society of Pennsylvania, and the Philadelphia Print Shop.
The Hereford Mappa Mundi. By Eric W. Wolf.
A regular feature in The Portolan, this is a bibliographic listing of articles and books appearing worldwide on antique maps and globes and the history of cartography. By Eric W. Wolf.
1. Washington Map Society Officers, 1989 - 1990.
2. Exhibits and Meetings, June - August 1989.
3. Washington Map Society Dinner April 1989, on the Society’s 10th Anniversary.