Part of Oxford County is included in the Lewiston-Auburn, Maine metropolitan New England City and Town Area while a different part of Oxford County is included in the Portland-South Portland-Biddeford, Maine metropolitan New England City and Town Area.
As to your question, la charreada refers to a type of celebration of Mexican cowboys charros that revolves around the charrerÃ­a (Mexican rodeo). Here are a couple of references that you can investigate if you are interested. charrerÃ­a - Wiki in Spanish. Charreada - Wiki in English.
The order Crocodilia includes the true crocodiles (family Crocodylidae), the alligators and caimans (family Alligatoridae), and the gharial and false gharial (family Gavialidae). Although the term 'crocodiles' is sometimes used to refer to all of these, a less ambiguous vernacular term for this group is crocodilians.