Hi rsnow,
You might be marking this feature in an area which is not yet open on
Map Maker for editing. Please see the list of countries currently
available on Map Maker for editing:
http://maps.google.com/support/bin/answer.py?hl=en&answer=155415
If the country in question is available for editing, please post back
with a link to that area. You can copy the link by clicking the
feature, right-clicking "Link to this page" (On the top right corner)
and selecting "Copy Link Location"(Firefox) or "Copy
Shortcut"(Internet Explorer). You can then paste the copied link on
your post.
Regards,
Map Maker Guide