The document is a membership application for The Sky-Line Club. It includes sections for applicant information, available membership levels including 30-day trial, individual, family, corporate, and nonresident options with different initiation fees and monthly dues. It also includes an authorization section to make credit card transactions and a signature to authorize payments. The final section provides background on The Sky-Line Club describing its tradition dating back to an 18th century English pub, congenial atmosphere among its limited membership, and elegant facilities located in downtown Chicago overlooking the skyline.