Turner, R.M., 1974, Map showing vegetation in the Phoenix area, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-845-I, 1 sheet, scale 1:250,000.
Turner, R.M., 1974, Map showing vegetation in the Phoenix area, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-845-I, 1 sheet, scale 1:250,000.
Biogeology,