Items Offered: References→ Plans
PO Box 37012
NMAH 5004 / MRC 628
Washington, DC 20013-7012
The map pin is on The Museum of American History, but it is not known whether or not one can go to that location to view or order plans. They may be in an off-site location. Plans can be ordered by writing to:
Ship Plans
Smithsonian Institution
[the address listed above]
View their website for more details.