Their terms and conditions are here.
Lost tickets are mentioned only in this section.
B. TICKET ACCURACY
- a. Please check your ticket for accuracy as all tickets go as written after you leave the wagering counter. Once a wager is accepted by both parties, tickets will not be altered or voided except at the discretion of Management and with the approval of both parties.
- No winning wager will be paid without the customer copy of the wagering ticket, except for lost, stolen or unreadable tickets which will be honored as stated below. No reproductions or photos of wagering tickets will be accepted.
- Management is not responsible for lost, stolen, altered or unreadable tickets. If the rightful owner of a lost or stolen winning ticket has been determined, payment will be made as soon as possible.
- Expiration of any winning ticket will be one year from the date of the conclusion of the last event on the wager.
- Management is not responsible for paying winning tickets resulting from any system or terminal malfunction.
- The time on the tickets is Eastern Standard Time (EST).
While it says they are not responsible, it also says:
Quote:
If the rightful owner of a lost or stolen winning ticket has been determined, payment will be made as soon as possible.
It seems like you just need to press the issue a little more. Ask the manager what that means. Ask if anyone else is available to speak with such as a higher manager for the full casino. Inquire with such on own or with their regulator if need be.