Several that I recall from here in Northern California (including mine) are no longer there as well.
It was a good resource/reference that I hope can be "re-populated".
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.