I am told that Betty Meggers at the Smithsonian knows quite a bit about
Tikal, as does George Stuart of the National Geographic Society. The
address for Betty M. is the National Museum of Natural History, Room 310,
MRC 112, SI, Wash. D.C. 20560. Telephone: 202 357 2674. The NGS is at
17th and M Sts. NW, Wash. D.C. 20005, Phone: 202 857 7000. Good Luck!