Burial expenses for John Rocco

My father passed away due to a major heart attack. He was was my go to when ever I had a problem and a man I've always looked up to. I would like to give this wonderful man his last wishes. He wanted to be cremated and spread all throughout Yellowstone National Park. I need some help funeral arrangements are not cheap. I just want to give my father his last wishes so please give in anyway you can thank you so much his son John Rocco!