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- All Subjects: Grand Canyon National Park (Ariz.)
- All Subjects: Air quality management
- Creators: Atchison, Topeka, and Santa Fe Railway Company
- Creators: Battelle Memorial Institute. Technology Partnership Practice
- Creators: Phelps, George
This inventory includes emissions of coarse particulate matter <10 µm in diameter (PM10), fine particulate matter < 2.5 µm (PM2.5), nitrogen oxides, sulfur oxides, and ammonia. Emissions are calculated for both Maricopa County and the PM10 nonattaiment area. Annual totals as well as typical daily emissions are provided for all source categories.
Information on the efforts of the Ambos Nogales Air Task Force as part of the Border 2012: U.S.-Mexico Environmental Program to improve environmental quality in the area along the Arizona Sonora border.
Detailed map of Granite Gorge section of the Grand Canyon from the pamphlet titled, "Titan of Chasms: Grand Canyon of Arizona."
Color postcard titled, "East From (Hopi) Rowe Point."
This plan was undertaken by the Arizona Department of Transportation Multimodal Planning Division Aeronautics Group to evaluate and recommend a terminal area layout to meet anticipated terminal area demands.
