Stewart Culin, a curator at the University of Pennsylvania Museum, led the expeditions.
The occasion was the 13th annual "Maya Weekend" at the University of Pennsylvania Museum.
Excavations have continued at the site under the auspices of the University of Pennsylvania Museum with an international team.
The site was investigated around In 1931 and 1932, excavations were undertaken by the University of Pennsylvania Museum.
Eyre also designed the University of Pennsylvania Museum.
So it happened that a great number of the boxes containing tablets remained until recently still packed up in the store-rooms of the Pennsylvania Museum.
Some are in the University of Pennsylvania Museum in Philadelphia.
Her work remains in the Pennsylvania Museum of Fine Arts.
The Pennsylvania Museum and School of Industrial Art opened on May 10, 1877.
It is housed in the University of Pennsylvania Museum (E 2747).