The Arizona Department of Transportation, the Arizona Game & Fish Department and the Arizona State Parks Board are required to conduct a study every three years on watercraft fuel consumption and recreational watercraft usage. The fuel consumption data is collected to determine the allocation of motor vehicle fuel tax to the State Lake Improvement Fund. The information on recreational watercraft usage patterns on Arizona’s lakes and rivers is necessary, in part, to determine the distribution of SLIF funds to applicants.
Addressing him as "Dear Wassaja", Marie Keller Montezuma writes her husband asking for money, for news of her mother, and copies of the magazine, detailing travel expenses, car trouble, and the misadventures of a trip across the Southwest.