Pacific Southwest Inter-Agency Committee. 1968. Factors Affecting Sediment Yield in the Pacific Southwest Area. In Report of the Water Management Subcommittee on Factors Affecting Sediment Yield in the Pacific Southwest Area and Selection and Evaluation of Measures for Reduction of Erosion and Sediment Yield. Pacific Southwest Inter-Agency Committee. October.
Park, S. 2010. Technical Memorandum: Rosemont Traffic Study—Additional Scenarios. Document No. 047/10-320842-5.3. Prepared for Rosemont Copper Company. Tucson, Arizona: Tetra Tech. February 23.
Parker, P.L., and T.F. King. 1998. National Register Bulletin—Guidelines for Evaluating and Documenting Traditional Cultural Properties. Originally published 1990 (revised 1992), U.S. Department of the Interior, National Park Service, Washington, D.C.
Partners in Flight. 2006. Map of the Bird Conservation Regions of the United States. Available at: http://www.partnersinflight.org/bcps/pifplans.htm.
Peachey, W. 2000. Field Trip to Colossal Cave and the Surrounding Area, Pima County, Arizona: Arizona Geological Survey. February 19.
Pearce, M.J. 2007. Water rights data. Phoenix, Arizona: Maguire and Pearce, PLLC. Letter to J. Derby, Coronado National Forest. November 20.
Pearce, M.J. 2010. Maguire and Pearce, PLLC. Phoenix, Arizona. Written communication to Dale Ortman, Consulting Engineer, and Kathy Arnold, Director of Environmental and Regulatory Affairs, Rosemont Copper Company. November 1.
Pearthree, P.A., and S.S. Calvo. 1987. The Santa Rita Fault Zone: Evidence for large magnitude earthquakes with very long recurrence intervals, Basin and Range Province of southeastern Arizona. Bulletin of the Seismological Society of America 77(1):97–116.
Petersen, E.S., II, and S. Griset. 2010. Results of an Archaeological Class I Inventory of Four Alternatives for the Proposed Rosemont Copper Mine, Rosemont Junction, Pima County, Arizona. Cultural Resources Report No. 10-47. Tucson, Arizona: SWCA Environmental Consultants.
Petersen, E.S., II. 2007. Archaeological Survey of Approximately 67.1 Acres in the Coronado National Forest, Pima County, Arizona. Cultural Resources Report No. 07-48. Tucson, Arizona: SWCA Environmental Consultants.
Pima Association of Governments. 2011. Population estimates. Available at: http://www.pagnet.org/RegionalData/Population/PopulationEstimates/tabid/.... Accessed May 25, 2011.
Pima County Department of Environmental Quality. 2009a. 2008 Air Quality Summary Report for Pima County. Tucson, Arizona. June.
Pima County Department of Environmental Quality. 2009b. 2009 Air Quality Summary Report Appendix. Tucson, Arizona.
Pima County Department of Environmental Quality. 2009c. 2009 Ambient Air Monitoring Network Plan. AQ 370. Prepared for the U.S. Environmental Protection Agency. Tucson, Arizona: Pima County Department of Environmental Quality.
Pima County Department of Environmental Quality. 2011. 2010 Air Quality Summary Report for Pima County, Arizona. AQ-376. Tucson, Arizona: Pima County Department of Environmental Quality. July.
Pima County Department of Transportation. 2008. Revision of Traffic Noise Analysis and Mitigation Guidance for Major Road Projects, Amendment to Statement of Purpose, and Cost Effective Criteria. Procedure No. 03-5. Amended. Tucson, Arizona: Pima County Department of Transportation. April 8.
Pima County. 2001. Huachuca Water Umbel Report: Sonoran Desert Conservation and Comprehensive Land Use Plan Summer 2001. Tucson, Arizona.
Pima County. 2006a. The Outdoor Lighting Code Available at: http://www.pimaxpress.com/Building/PDFs/2007/2006%20Outdoor%20Lighting%2.... Accessed May 21, 2011.
Pima County. 2006b. Priority Vulnerable Species in Pima County. Available at: http://www.pima.gov/cmo/sdcp/species/fsheets/vuln/vuln.html. Accessed April 15, 2011.
Power, T.M. 2010. Scoping Comment Document: Analyses of Economic Costs of the Proposed Rosemont Copper Project. Prepared for The Mountain Empire Action Alliance. Submitted to the Coronado National Forest. Missoula, Montana. August 16.