Casino proponents in Arkansas are beefing up their campaign funds to ensure that games will be legalized in the state.

The Associated Press reported that pro-casino group Driving Arkansas Forward (DAF) have collected $1.2 million in June from several donors, including the Downstream Development Authority of the Quapaw Tribe and Cherokee Nation Businesses LLC.

DAF reported that it spent around $715,711 in June just to encourage residents to sign a petition to place an amendment to the state constitution on the November ballot. The group’s expenses includesome $385,728 for advertising.

The group has been proposing for Arkansas to legalize gambling at a Hot Springs horse track and a West Memphis dog track, where video poker and other electronic games were already offered, as well as legalize casinos in Jefferson and Pope counties.