In this study, Morrison Institute reviewed how ACEs are associated with diseases that are the leading causes of death for adults in Arizona. With this focus in mind, heart disease, cancer, stroke, diabetes, and chronic lower respiratory diseases like COPD or chronic bronchitis were included in this study.

Letter from W. W. Bass to Harry Welch protesting the proposed national park bill.

Letter from W. W. Bass to Carl Hayden regarding the right to his property.

Letter from Carl Hayden to W. W. Bass on the recent amendments made to the national park bill.

Letter from W. W. Bass to Carl Hayden arguing for a delay in the national park bill proceedings.

Letter to W. W. Bass from Carl Hayden's secretary informing him of a vote on the national park bill will not be held until December.

Letter from W. W. Bass to Carl Hayden opposing the Grand Canyon National Park bill in its current form.

Letter from Franklin K. Lane to Carl T. Hayden expressing his support for bill S.390 in establishing the Grand Canyon as a National Park.

Letter from W. W. Bass to Carl Hayden requesting a meeting at his camp to discuss the proposed park boundaries when he is attending the Arizona Good Roads Association conference.

Letter from Carl Hayden to W. W. Bass informing Bass that he will not be able to go north to attend the Arizona Good Roads Association conference; however, he assures Bass that his rights as a land owner and miner will be protected.