Hill Hunt: Crosswordese

Teams were sent to nearby Gerke Alley to find and take a picture of a flyer:

Alert puzzlers might notice that the countries' initials form the word VISITS; that's not relevant to the puzzle; it was part of the game-day hint system.

Then they returned to Washington Square Park, showed GC their flyer-picture, and received a crossword puzzle:


In addition to the usual answer-checking, this box will also respond to "answers" like 45A or 49D with the answers to 45 Across or 49 Down. (On game day, teams chose six free crossword answers.)