Frederick Catherwood reached Tulum in March 1841. The explorers realized that Tulum ... There is evidence of trade with places as far as Costa Rica, central Mexico, and Panamá. The change in ...

They departed Mexico in late June 1840. Uxmal made it's impression despite Catherwood's illness, however, and the men returned, living at the site to finish their work from November 1841 to January ...